Home / 1,554,640.45-2,332,044.28-489,765.85

Finding the Fourth Proportional to 1,554,640.45, 2,332,044.28 and 489,765.85

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Solution

The fourth proportional to 1,554,640.45, 2,332,044.28 and 489,765.85 is: 734,675.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,640.45 : 2,332,044.28 = 489,765.85 : x
  2. Step 2: Convert to fraction form
    1,554,640.45/2,332,044.28 = 489,765.85/x
  3. Step 3: Cross multiply
    1,554,640.45x = 2,332,044.28 × 489,765.85
  4. Step 4: Simplify right side
    1,554,640.45x = 1,142,155,636,147.20
  5. Step 5: Solve for x
    x = 1,142,155,636,147.20/1,554,640.45
  6. Step 6: Final answer
    x = 734,675.11

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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.