Home / 786,139.20-1,085,062.23-732,951.36

Finding the Fourth Proportional to 786,139.20, 1,085,062.23 and 732,951.36

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Solution

The fourth proportional to 786,139.20, 1,085,062.23 and 732,951.36 is: 1,011,650.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,139.20 : 1,085,062.23 = 732,951.36 : x
  2. Step 2: Convert to fraction form
    786,139.20/1,085,062.23 = 732,951.36/x
  3. Step 3: Cross multiply
    786,139.20x = 1,085,062.23 × 732,951.36
  4. Step 4: Simplify right side
    786,139.20x = 795,297,838,483.55
  5. Step 5: Solve for x
    x = 795,297,838,483.55/786,139.20
  6. Step 6: Final answer
    x = 1,011,650.14

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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.