Home / 1,220,007.40-1,830,011.10-333,543.40

Finding the Fourth Proportional to 1,220,007.40, 1,830,011.10 and 333,543.40

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Solution

The fourth proportional to 1,220,007.40, 1,830,011.10 and 333,543.40 is: 500,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,007.40 : 1,830,011.10 = 333,543.40 : x
  2. Step 2: Convert to fraction form
    1,220,007.40/1,830,011.10 = 333,543.40/x
  3. Step 3: Cross multiply
    1,220,007.40x = 1,830,011.10 × 333,543.40
  4. Step 4: Simplify right side
    1,220,007.40x = 610,388,124,331.74
  5. Step 5: Solve for x
    x = 610,388,124,331.74/1,220,007.40
  6. Step 6: Final answer
    x = 500,315.10

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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.