Home / 969,347.28-1,449,970.92-681,138.72

Finding the Fourth Proportional to 969,347.28, 1,449,970.92 and 681,138.72

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Solution

The fourth proportional to 969,347.28, 1,449,970.92 and 681,138.72 is: 1,018,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,347.28 : 1,449,970.92 = 681,138.72 : x
  2. Step 2: Convert to fraction form
    969,347.28/1,449,970.92 = 681,138.72/x
  3. Step 3: Cross multiply
    969,347.28x = 1,449,970.92 × 681,138.72
  4. Step 4: Simplify right side
    969,347.28x = 987,631,336,486.02
  5. Step 5: Solve for x
    x = 987,631,336,486.02/969,347.28
  6. Step 6: Final answer
    x = 1,018,862.24

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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.