Home / 815,397.60-1,124,447.76-751,031.76

Finding the Fourth Proportional to 815,397.60, 1,124,447.76 and 751,031.76

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Solution

The fourth proportional to 815,397.60, 1,124,447.76 and 751,031.76 is: 1,035,686.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,397.60 : 1,124,447.76 = 751,031.76 : x
  2. Step 2: Convert to fraction form
    815,397.60/1,124,447.76 = 751,031.76/x
  3. Step 3: Cross multiply
    815,397.60x = 1,124,447.76 × 751,031.76
  4. Step 4: Simplify right side
    815,397.60x = 844,495,980,220.86
  5. Step 5: Solve for x
    x = 844,495,980,220.86/815,397.60
  6. Step 6: Final answer
    x = 1,035,686.12

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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.