Home / 1,575,319.20-2,361,229.20-865,856.40

Finding the Fourth Proportional to 1,575,319.20, 2,361,229.20 and 865,856.40

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Solution

The fourth proportional to 1,575,319.20, 2,361,229.20 and 865,856.40 is: 1,297,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,319.20 : 2,361,229.20 = 865,856.40 : x
  2. Step 2: Convert to fraction form
    1,575,319.20/2,361,229.20 = 865,856.40/x
  3. Step 3: Cross multiply
    1,575,319.20x = 2,361,229.20 × 865,856.40
  4. Step 4: Simplify right side
    1,575,319.20x = 2,044,485,414,686.88
  5. Step 5: Solve for x
    x = 2,044,485,414,686.88/1,575,319.20
  6. Step 6: Final answer
    x = 1,297,822.95

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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.