Home / 1,253,148.14-1,730,243.15-770,360.60

Finding the Fourth Proportional to 1,253,148.14, 1,730,243.15 and 770,360.60

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Solution

The fourth proportional to 1,253,148.14, 1,730,243.15 and 770,360.60 is: 1,063,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,148.14 : 1,730,243.15 = 770,360.60 : x
  2. Step 2: Convert to fraction form
    1,253,148.14/1,730,243.15 = 770,360.60/x
  3. Step 3: Cross multiply
    1,253,148.14x = 1,730,243.15 × 770,360.60
  4. Step 4: Simplify right side
    1,253,148.14x = 1,332,911,138,676.87
  5. Step 5: Solve for x
    x = 1,332,911,138,676.87/1,253,148.14
  6. Step 6: Final answer
    x = 1,063,650.10

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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.