Home / 1,687,256.43-2,531,475.18-489,250.62

Finding the Fourth Proportional to 1,687,256.43, 2,531,475.18 and 489,250.62

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Solution

The fourth proportional to 1,687,256.43, 2,531,475.18 and 489,250.62 is: 734,047.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,256.43 : 2,531,475.18 = 489,250.62 : x
  2. Step 2: Convert to fraction form
    1,687,256.43/2,531,475.18 = 489,250.62/x
  3. Step 3: Cross multiply
    1,687,256.43x = 2,531,475.18 × 489,250.62
  4. Step 4: Simplify right side
    1,687,256.43x = 1,238,525,801,329.61
  5. Step 5: Solve for x
    x = 1,238,525,801,329.61/1,687,256.43
  6. Step 6: Final answer
    x = 734,047.17

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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.