Home / 750,468.27-1,126,150.92-689,416.60

Finding the Fourth Proportional to 750,468.27, 1,126,150.92 and 689,416.60

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Solution

The fourth proportional to 750,468.27, 1,126,150.92 and 689,416.60 is: 1,034,536.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,468.27 : 1,126,150.92 = 689,416.60 : x
  2. Step 2: Convert to fraction form
    750,468.27/1,126,150.92 = 689,416.60/x
  3. Step 3: Cross multiply
    750,468.27x = 1,126,150.92 × 689,416.60
  4. Step 4: Simplify right side
    750,468.27x = 776,387,129,275.44
  5. Step 5: Solve for x
    x = 776,387,129,275.44/750,468.27
  6. Step 6: Final answer
    x = 1,034,536.92

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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.