Home / 1,342,768.55-1,853,044.18-730,938.90

Finding the Fourth Proportional to 1,342,768.55, 1,853,044.18 and 730,938.90

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Solution

The fourth proportional to 1,342,768.55, 1,853,044.18 and 730,938.90 is: 1,008,708.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,768.55 : 1,853,044.18 = 730,938.90 : x
  2. Step 2: Convert to fraction form
    1,342,768.55/1,853,044.18 = 730,938.90/x
  3. Step 3: Cross multiply
    1,342,768.55x = 1,853,044.18 × 730,938.90
  4. Step 4: Simplify right side
    1,342,768.55x = 1,354,462,072,753.25
  5. Step 5: Solve for x
    x = 1,354,462,072,753.25/1,342,768.55
  6. Step 6: Final answer
    x = 1,008,708.52

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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.