Home / 1,343,002.47-1,853,348.21-731,162.49

Finding the Fourth Proportional to 1,343,002.47, 1,853,348.21 and 731,162.49

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Solution

The fourth proportional to 1,343,002.47, 1,853,348.21 and 731,162.49 is: 1,009,006.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,002.47 : 1,853,348.21 = 731,162.49 : x
  2. Step 2: Convert to fraction form
    1,343,002.47/1,853,348.21 = 731,162.49/x
  3. Step 3: Cross multiply
    1,343,002.47x = 1,853,348.21 × 731,162.49
  4. Step 4: Simplify right side
    1,343,002.47x = 1,355,098,692,060.64
  5. Step 5: Solve for x
    x = 1,355,098,692,060.64/1,343,002.47
  6. Step 6: Final answer
    x = 1,009,006.85

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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.