Home / 1,253,100.22-1,729,280.27-680,140.64

Finding the Fourth Proportional to 1,253,100.22, 1,729,280.27 and 680,140.64

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Solution

The fourth proportional to 1,253,100.22, 1,729,280.27 and 680,140.64 is: 938,595.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,100.22 : 1,729,280.27 = 680,140.64 : x
  2. Step 2: Convert to fraction form
    1,253,100.22/1,729,280.27 = 680,140.64/x
  3. Step 3: Cross multiply
    1,253,100.22x = 1,729,280.27 × 680,140.64
  4. Step 4: Simplify right side
    1,253,100.22x = 1,176,153,795,600.73
  5. Step 5: Solve for x
    x = 1,176,153,795,600.73/1,253,100.22
  6. Step 6: Final answer
    x = 938,595.16

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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.