Home / 1,109,089.20-1,663,633.38-435,487.44

Finding the Fourth Proportional to 1,109,089.20, 1,663,633.38 and 435,487.44

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Solution

The fourth proportional to 1,109,089.20, 1,663,633.38 and 435,487.44 is: 653,231.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,089.20 : 1,663,633.38 = 435,487.44 : x
  2. Step 2: Convert to fraction form
    1,109,089.20/1,663,633.38 = 435,487.44/x
  3. Step 3: Cross multiply
    1,109,089.20x = 1,663,633.38 × 435,487.44
  4. Step 4: Simplify right side
    1,109,089.20x = 724,491,441,754.75
  5. Step 5: Solve for x
    x = 724,491,441,754.75/1,109,089.20
  6. Step 6: Final answer
    x = 653,231.00

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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.