Home / 841,261.64-1,262,049.19-272,592.02

Finding the Fourth Proportional to 841,261.64, 1,262,049.19 and 272,592.02

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Solution

The fourth proportional to 841,261.64, 1,262,049.19 and 272,592.02 is: 408,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,261.64 : 1,262,049.19 = 272,592.02 : x
  2. Step 2: Convert to fraction form
    841,261.64/1,262,049.19 = 272,592.02/x
  3. Step 3: Cross multiply
    841,261.64x = 1,262,049.19 × 272,592.02
  4. Step 4: Simplify right side
    841,261.64x = 344,024,540,515.11
  5. Step 5: Solve for x
    x = 344,024,540,515.11/841,261.64
  6. Step 6: Final answer
    x = 408,938.82

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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.