Home / 1,017,512.40-1,526,301.09-511,797.21

Finding the Fourth Proportional to 1,017,512.40, 1,526,301.09 and 511,797.21

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Solution

The fourth proportional to 1,017,512.40, 1,526,301.09 and 511,797.21 is: 767,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,512.40 : 1,526,301.09 = 511,797.21 : x
  2. Step 2: Convert to fraction form
    1,017,512.40/1,526,301.09 = 511,797.21/x
  3. Step 3: Cross multiply
    1,017,512.40x = 1,526,301.09 × 511,797.21
  4. Step 4: Simplify right side
    1,017,512.40x = 781,156,639,481.96
  5. Step 5: Solve for x
    x = 781,156,639,481.96/1,017,512.40
  6. Step 6: Final answer
    x = 767,712.16

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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.