Home / 1,560,221.10-2,340,331.65-1,087,440.30

Finding the Fourth Proportional to 1,560,221.10, 2,340,331.65 and 1,087,440.30

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Solution

The fourth proportional to 1,560,221.10, 2,340,331.65 and 1,087,440.30 is: 1,631,160.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,221.10 : 2,340,331.65 = 1,087,440.30 : x
  2. Step 2: Convert to fraction form
    1,560,221.10/2,340,331.65 = 1,087,440.30/x
  3. Step 3: Cross multiply
    1,560,221.10x = 2,340,331.65 × 1,087,440.30
  4. Step 4: Simplify right side
    1,560,221.10x = 2,544,970,951,575.50
  5. Step 5: Solve for x
    x = 2,544,970,951,575.50/1,560,221.10
  6. Step 6: Final answer
    x = 1,631,160.45

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Similar ratio
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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.