Home / 1,220,072.40-1,830,108.60-333,608.40

Finding the Fourth Proportional to 1,220,072.40, 1,830,108.60 and 333,608.40

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Solution

The fourth proportional to 1,220,072.40, 1,830,108.60 and 333,608.40 is: 500,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,072.40 : 1,830,108.60 = 333,608.40 : x
  2. Step 2: Convert to fraction form
    1,220,072.40/1,830,108.60 = 333,608.40/x
  3. Step 3: Cross multiply
    1,220,072.40x = 1,830,108.60 × 333,608.40
  4. Step 4: Simplify right side
    1,220,072.40x = 610,539,601,872.24
  5. Step 5: Solve for x
    x = 610,539,601,872.24/1,220,072.40
  6. Step 6: Final answer
    x = 500,412.60

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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.