Home / 1,241,931.31-1,862,841.03-432,886.21

Finding the Fourth Proportional to 1,241,931.31, 1,862,841.03 and 432,886.21

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Solution

The fourth proportional to 1,241,931.31, 1,862,841.03 and 432,886.21 is: 649,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,931.31 : 1,862,841.03 = 432,886.21 : x
  2. Step 2: Convert to fraction form
    1,241,931.31/1,862,841.03 = 432,886.21/x
  3. Step 3: Cross multiply
    1,241,931.31x = 1,862,841.03 × 432,886.21
  4. Step 4: Simplify right side
    1,241,931.31x = 806,398,193,309.20
  5. Step 5: Solve for x
    x = 806,398,193,309.20/1,241,931.31
  6. Step 6: Final answer
    x = 649,309.82

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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.