Home / 1,332,352.50-1,998,545.76-385,724.13

Finding the Fourth Proportional to 1,332,352.50, 1,998,545.76 and 385,724.13

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Solution

The fourth proportional to 1,332,352.50, 1,998,545.76 and 385,724.13 is: 578,591.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,352.50 : 1,998,545.76 = 385,724.13 : x
  2. Step 2: Convert to fraction form
    1,332,352.50/1,998,545.76 = 385,724.13/x
  3. Step 3: Cross multiply
    1,332,352.50x = 1,998,545.76 × 385,724.13
  4. Step 4: Simplify right side
    1,332,352.50x = 770,887,324,541.19
  5. Step 5: Solve for x
    x = 770,887,324,541.19/1,332,352.50
  6. Step 6: Final answer
    x = 578,591.12

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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.