Home / 1,026,700.60-1,540,156.50-387,542.70

Finding the Fourth Proportional to 1,026,700.60, 1,540,156.50 and 387,542.70

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Solution

The fourth proportional to 1,026,700.60, 1,540,156.50 and 387,542.70 is: 581,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,700.60 : 1,540,156.50 = 387,542.70 : x
  2. Step 2: Convert to fraction form
    1,026,700.60/1,540,156.50 = 387,542.70/x
  3. Step 3: Cross multiply
    1,026,700.60x = 1,540,156.50 × 387,542.70
  4. Step 4: Simplify right side
    1,026,700.60x = 596,876,408,432.55
  5. Step 5: Solve for x
    x = 596,876,408,432.55/1,026,700.60
  6. Step 6: Final answer
    x = 581,353.91

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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.