Home / 1,314,512.70-1,972,425.15-746,330.10

Finding the Fourth Proportional to 1,314,512.70, 1,972,425.15 and 746,330.10

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Solution

The fourth proportional to 1,314,512.70, 1,972,425.15 and 746,330.10 is: 1,119,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,512.70 : 1,972,425.15 = 746,330.10 : x
  2. Step 2: Convert to fraction form
    1,314,512.70/1,972,425.15 = 746,330.10/x
  3. Step 3: Cross multiply
    1,314,512.70x = 1,972,425.15 × 746,330.10
  4. Step 4: Simplify right side
    1,314,512.70x = 1,472,080,259,442.02
  5. Step 5: Solve for x
    x = 1,472,080,259,442.02/1,314,512.70
  6. Step 6: Final answer
    x = 1,119,867.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.