Home / 1,220,140.40-1,830,210.60-333,676.40

Finding the Fourth Proportional to 1,220,140.40, 1,830,210.60 and 333,676.40

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Solution

The fourth proportional to 1,220,140.40, 1,830,210.60 and 333,676.40 is: 500,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,140.40 : 1,830,210.60 = 333,676.40 : x
  2. Step 2: Convert to fraction form
    1,220,140.40/1,830,210.60 = 333,676.40/x
  3. Step 3: Cross multiply
    1,220,140.40x = 1,830,210.60 × 333,676.40
  4. Step 4: Simplify right side
    1,220,140.40x = 610,698,084,249.84
  5. Step 5: Solve for x
    x = 610,698,084,249.84/1,220,140.40
  6. Step 6: Final answer
    x = 500,514.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.