Home / 1,112,545.10-1,535,342.42-629,182.53

Finding the Fourth Proportional to 1,112,545.10, 1,535,342.42 and 629,182.53

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Solution

The fourth proportional to 1,112,545.10, 1,535,342.42 and 629,182.53 is: 868,288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,545.10 : 1,535,342.42 = 629,182.53 : x
  2. Step 2: Convert to fraction form
    1,112,545.10/1,535,342.42 = 629,182.53/x
  3. Step 3: Cross multiply
    1,112,545.10x = 1,535,342.42 × 629,182.53
  4. Step 4: Simplify right side
    1,112,545.10x = 966,010,625,086.01
  5. Step 5: Solve for x
    x = 966,010,625,086.01/1,112,545.10
  6. Step 6: Final answer
    x = 868,288.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.