Home / 1,342,957.66-1,853,221.10-731,094.78

Finding the Fourth Proportional to 1,342,957.66, 1,853,221.10 and 731,094.78

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Solution

The fourth proportional to 1,342,957.66, 1,853,221.10 and 731,094.78 is: 1,008,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,957.66 : 1,853,221.10 = 731,094.78 : x
  2. Step 2: Convert to fraction form
    1,342,957.66/1,853,221.10 = 731,094.78/x
  3. Step 3: Cross multiply
    1,342,957.66x = 1,853,221.10 × 731,094.78
  4. Step 4: Simplify right side
    1,342,957.66x = 1,354,880,272,395.86
  5. Step 5: Solve for x
    x = 1,354,880,272,395.86/1,342,957.66
  6. Step 6: Final answer
    x = 1,008,877.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.