Home / 1,554,640.32-2,332,044.09-489,765.72

Finding the Fourth Proportional to 1,554,640.32, 2,332,044.09 and 489,765.72

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Solution

The fourth proportional to 1,554,640.32, 2,332,044.09 and 489,765.72 is: 734,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,640.32 : 2,332,044.09 = 489,765.72 : x
  2. Step 2: Convert to fraction form
    1,554,640.32/2,332,044.09 = 489,765.72/x
  3. Step 3: Cross multiply
    1,554,640.32x = 2,332,044.09 × 489,765.72
  4. Step 4: Simplify right side
    1,554,640.32x = 1,142,155,252,810.59
  5. Step 5: Solve for x
    x = 1,142,155,252,810.59/1,554,640.32
  6. Step 6: Final answer
    x = 734,674.92

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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.