Home / 1,385,098.74-2,077,766.55-486,462.24

Finding the Fourth Proportional to 1,385,098.74, 2,077,766.55 and 486,462.24

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Solution

The fourth proportional to 1,385,098.74, 2,077,766.55 and 486,462.24 is: 729,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,098.74 : 2,077,766.55 = 486,462.24 : x
  2. Step 2: Convert to fraction form
    1,385,098.74/2,077,766.55 = 486,462.24/x
  3. Step 3: Cross multiply
    1,385,098.74x = 2,077,766.55 × 486,462.24
  4. Step 4: Simplify right side
    1,385,098.74x = 1,010,754,970,110.07
  5. Step 5: Solve for x
    x = 1,010,754,970,110.07/1,385,098.74
  6. Step 6: Final answer
    x = 729,734.96

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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.