Home / 1,247,433.32-1,721,065.02-763,493.96

Finding the Fourth Proportional to 1,247,433.32, 1,721,065.02 and 763,493.96

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Solution

The fourth proportional to 1,247,433.32, 1,721,065.02 and 763,493.96 is: 1,053,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,433.32 : 1,721,065.02 = 763,493.96 : x
  2. Step 2: Convert to fraction form
    1,247,433.32/1,721,065.02 = 763,493.96/x
  3. Step 3: Cross multiply
    1,247,433.32x = 1,721,065.02 × 763,493.96
  4. Step 4: Simplify right side
    1,247,433.32x = 1,314,022,747,537.28
  5. Step 5: Solve for x
    x = 1,314,022,747,537.28/1,247,433.32
  6. Step 6: Final answer
    x = 1,053,381.15

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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.