Home / 1,215,091.02-1,676,839.68-671,215.59

Finding the Fourth Proportional to 1,215,091.02, 1,676,839.68 and 671,215.59

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Solution

The fourth proportional to 1,215,091.02, 1,676,839.68 and 671,215.59 is: 926,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,091.02 : 1,676,839.68 = 671,215.59 : x
  2. Step 2: Convert to fraction form
    1,215,091.02/1,676,839.68 = 671,215.59/x
  3. Step 3: Cross multiply
    1,215,091.02x = 1,676,839.68 × 671,215.59
  4. Step 4: Simplify right side
    1,215,091.02x = 1,125,520,935,146.61
  5. Step 5: Solve for x
    x = 1,125,520,935,146.61/1,215,091.02
  6. Step 6: Final answer
    x = 926,285.29

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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.