Home / 1,028,505.29-1,543,753.01-496,400.90

Finding the Fourth Proportional to 1,028,505.29, 1,543,753.01 and 496,400.90

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Solution

The fourth proportional to 1,028,505.29, 1,543,753.01 and 496,400.90 is: 745,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,505.29 : 1,543,753.01 = 496,400.90 : x
  2. Step 2: Convert to fraction form
    1,028,505.29/1,543,753.01 = 496,400.90/x
  3. Step 3: Cross multiply
    1,028,505.29x = 1,543,753.01 × 496,400.90
  4. Step 4: Simplify right side
    1,028,505.29x = 766,320,373,340.94
  5. Step 5: Solve for x
    x = 766,320,373,340.94/1,028,505.29
  6. Step 6: Final answer
    x = 745,081.61

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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.