Home / 1,342,767.85-1,853,043.28-730,938.20

Finding the Fourth Proportional to 1,342,767.85, 1,853,043.28 and 730,938.20

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Solution

The fourth proportional to 1,342,767.85, 1,853,043.28 and 730,938.20 is: 1,008,707.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,767.85 : 1,853,043.28 = 730,938.20 : x
  2. Step 2: Convert to fraction form
    1,342,767.85/1,853,043.28 = 730,938.20/x
  3. Step 3: Cross multiply
    1,342,767.85x = 1,853,043.28 × 730,938.20
  4. Step 4: Simplify right side
    1,342,767.85x = 1,354,460,108,512.73
  5. Step 5: Solve for x
    x = 1,354,460,108,512.73/1,342,767.85
  6. Step 6: Final answer
    x = 1,008,707.58

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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.