Home / 1,253,362.08-1,729,660.71-680,402.25

Finding the Fourth Proportional to 1,253,362.08, 1,729,660.71 and 680,402.25

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Solution

The fourth proportional to 1,253,362.08, 1,729,660.71 and 680,402.25 is: 938,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,362.08 : 1,729,660.71 = 680,402.25 : x
  2. Step 2: Convert to fraction form
    1,253,362.08/1,729,660.71 = 680,402.25/x
  3. Step 3: Cross multiply
    1,253,362.08x = 1,729,660.71 × 680,402.25
  4. Step 4: Simplify right side
    1,253,362.08x = 1,176,865,038,820.60
  5. Step 5: Solve for x
    x = 1,176,865,038,820.60/1,253,362.08
  6. Step 6: Final answer
    x = 938,966.53

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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.