Home / 1,342,759.28-1,853,031.42-730,929.62

Finding the Fourth Proportional to 1,342,759.28, 1,853,031.42 and 730,929.62

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Solution

The fourth proportional to 1,342,759.28, 1,853,031.42 and 730,929.62 is: 1,008,695.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,759.28 : 1,853,031.42 = 730,929.62 : x
  2. Step 2: Convert to fraction form
    1,342,759.28/1,853,031.42 = 730,929.62/x
  3. Step 3: Cross multiply
    1,342,759.28x = 1,853,031.42 × 730,929.62
  4. Step 4: Simplify right side
    1,342,759.28x = 1,354,435,542,403.50
  5. Step 5: Solve for x
    x = 1,354,435,542,403.50/1,342,759.28
  6. Step 6: Final answer
    x = 1,008,695.73

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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.