Home / 1,363,126.23-1,881,188.17-782,344.72

Finding the Fourth Proportional to 1,363,126.23, 1,881,188.17 and 782,344.72

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Solution

The fourth proportional to 1,363,126.23, 1,881,188.17 and 782,344.72 is: 1,079,678.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,126.23 : 1,881,188.17 = 782,344.72 : x
  2. Step 2: Convert to fraction form
    1,363,126.23/1,881,188.17 = 782,344.72/x
  3. Step 3: Cross multiply
    1,363,126.23x = 1,881,188.17 × 782,344.72
  4. Step 4: Simplify right side
    1,363,126.23x = 1,471,737,632,125.96
  5. Step 5: Solve for x
    x = 1,471,737,632,125.96/1,363,126.23
  6. Step 6: Final answer
    x = 1,079,678.17

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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.