Home / 1,142,792.85-1,714,203.86-787,711.53

Finding the Fourth Proportional to 1,142,792.85, 1,714,203.86 and 787,711.53

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Solution

The fourth proportional to 1,142,792.85, 1,714,203.86 and 787,711.53 is: 1,181,577.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,792.85 : 1,714,203.86 = 787,711.53 : x
  2. Step 2: Convert to fraction form
    1,142,792.85/1,714,203.86 = 787,711.53/x
  3. Step 3: Cross multiply
    1,142,792.85x = 1,714,203.86 × 787,711.53
  4. Step 4: Simplify right side
    1,142,792.85x = 1,350,298,141,353.95
  5. Step 5: Solve for x
    x = 1,350,298,141,353.95/1,142,792.85
  6. Step 6: Final answer
    x = 1,181,577.34

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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.