Home / 1,325,863.24-1,829,681.78-722,251.40

Finding the Fourth Proportional to 1,325,863.24, 1,829,681.78 and 722,251.40

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Solution

The fourth proportional to 1,325,863.24, 1,829,681.78 and 722,251.40 is: 996,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,863.24 : 1,829,681.78 = 722,251.40 : x
  2. Step 2: Convert to fraction form
    1,325,863.24/1,829,681.78 = 722,251.40/x
  3. Step 3: Cross multiply
    1,325,863.24x = 1,829,681.78 × 722,251.40
  4. Step 4: Simplify right side
    1,325,863.24x = 1,321,490,227,159.49
  5. Step 5: Solve for x
    x = 1,321,490,227,159.49/1,325,863.24
  6. Step 6: Final answer
    x = 996,701.76

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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.