Home / 1,605,347.22-2,215,294.29-916,883.76

Finding the Fourth Proportional to 1,605,347.22, 2,215,294.29 and 916,883.76

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Solution

The fourth proportional to 1,605,347.22, 2,215,294.29 and 916,883.76 is: 1,265,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,347.22 : 2,215,294.29 = 916,883.76 : x
  2. Step 2: Convert to fraction form
    1,605,347.22/2,215,294.29 = 916,883.76/x
  3. Step 3: Cross multiply
    1,605,347.22x = 2,215,294.29 × 916,883.76
  4. Step 4: Simplify right side
    1,605,347.22x = 2,031,167,358,121.73
  5. Step 5: Solve for x
    x = 2,031,167,358,121.73/1,605,347.22
  6. Step 6: Final answer
    x = 1,265,251.11

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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.