Home / 1,129,181.76-1,692,483.96-454,831.20

Finding the Fourth Proportional to 1,129,181.76, 1,692,483.96 and 454,831.20

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Solution

The fourth proportional to 1,129,181.76, 1,692,483.96 and 454,831.20 is: 681,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,181.76 : 1,692,483.96 = 454,831.20 : x
  2. Step 2: Convert to fraction form
    1,129,181.76/1,692,483.96 = 454,831.20/x
  3. Step 3: Cross multiply
    1,129,181.76x = 1,692,483.96 × 454,831.20
  4. Step 4: Simplify right side
    1,129,181.76x = 769,794,510,507.55
  5. Step 5: Solve for x
    x = 769,794,510,507.55/1,129,181.76
  6. Step 6: Final answer
    x = 681,727.72

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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.