Home / 1,298,325.76-1,791,382.48-754,138.20

Finding the Fourth Proportional to 1,298,325.76, 1,791,382.48 and 754,138.20

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Solution

The fourth proportional to 1,298,325.76, 1,791,382.48 and 754,138.20 is: 1,040,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,325.76 : 1,791,382.48 = 754,138.20 : x
  2. Step 2: Convert to fraction form
    1,298,325.76/1,791,382.48 = 754,138.20/x
  3. Step 3: Cross multiply
    1,298,325.76x = 1,791,382.48 × 754,138.20
  4. Step 4: Simplify right side
    1,298,325.76x = 1,350,949,958,978.74
  5. Step 5: Solve for x
    x = 1,350,949,958,978.74/1,298,325.76
  6. Step 6: Final answer
    x = 1,040,532.35

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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.