Home / 1,340,149.68-2,010,520.98-441,555.12

Finding the Fourth Proportional to 1,340,149.68, 2,010,520.98 and 441,555.12

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Solution

The fourth proportional to 1,340,149.68, 2,010,520.98 and 441,555.12 is: 662,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,149.68 : 2,010,520.98 = 441,555.12 : x
  2. Step 2: Convert to fraction form
    1,340,149.68/2,010,520.98 = 441,555.12/x
  3. Step 3: Cross multiply
    1,340,149.68x = 2,010,520.98 × 441,555.12
  4. Step 4: Simplify right side
    1,340,149.68x = 887,755,832,586.42
  5. Step 5: Solve for x
    x = 887,755,832,586.42/1,340,149.68
  6. Step 6: Final answer
    x = 662,430.36

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Double scale
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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.