Home / 1,258,597.72-1,887,862.02-311,947.48

Finding the Fourth Proportional to 1,258,597.72, 1,887,862.02 and 311,947.48

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Solution

The fourth proportional to 1,258,597.72, 1,887,862.02 and 311,947.48 is: 467,912.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,597.72 : 1,887,862.02 = 311,947.48 : x
  2. Step 2: Convert to fraction form
    1,258,597.72/1,887,862.02 = 311,947.48/x
  3. Step 3: Cross multiply
    1,258,597.72x = 1,887,862.02 × 311,947.48
  4. Step 4: Simplify right side
    1,258,597.72x = 588,913,799,726.71
  5. Step 5: Solve for x
    x = 588,913,799,726.71/1,258,597.72
  6. Step 6: Final answer
    x = 467,912.65

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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.