Home / 1,026,159.16-1,539,265.20-486,288.76

Finding the Fourth Proportional to 1,026,159.16, 1,539,265.20 and 486,288.76

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Solution

The fourth proportional to 1,026,159.16, 1,539,265.20 and 486,288.76 is: 729,445.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,159.16 : 1,539,265.20 = 486,288.76 : x
  2. Step 2: Convert to fraction form
    1,026,159.16/1,539,265.20 = 486,288.76/x
  3. Step 3: Cross multiply
    1,026,159.16x = 1,539,265.20 × 486,288.76
  4. Step 4: Simplify right side
    1,026,159.16x = 748,527,365,419.15
  5. Step 5: Solve for x
    x = 748,527,365,419.15/1,026,159.16
  6. Step 6: Final answer
    x = 729,445.68

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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.