Home / 1,338,280.52-1,846,828.76-726,432.93

Finding the Fourth Proportional to 1,338,280.52, 1,846,828.76 and 726,432.93

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Solution

The fourth proportional to 1,338,280.52, 1,846,828.76 and 726,432.93 is: 1,002,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,280.52 : 1,846,828.76 = 726,432.93 : x
  2. Step 2: Convert to fraction form
    1,338,280.52/1,846,828.76 = 726,432.93/x
  3. Step 3: Cross multiply
    1,338,280.52x = 1,846,828.76 × 726,432.93
  4. Step 4: Simplify right side
    1,338,280.52x = 1,341,597,223,702.90
  5. Step 5: Solve for x
    x = 1,341,597,223,702.90/1,338,280.52
  6. Step 6: Final answer
    x = 1,002,478.34

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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.