Home / 1,778,508.32-2,668,186.92-580,432.88

Finding the Fourth Proportional to 1,778,508.32, 2,668,186.92 and 580,432.88

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Solution

The fourth proportional to 1,778,508.32, 2,668,186.92 and 580,432.88 is: 870,787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,508.32 : 2,668,186.92 = 580,432.88 : x
  2. Step 2: Convert to fraction form
    1,778,508.32/2,668,186.92 = 580,432.88/x
  3. Step 3: Cross multiply
    1,778,508.32x = 2,668,186.92 × 580,432.88
  4. Step 4: Simplify right side
    1,778,508.32x = 1,548,703,418,353.93
  5. Step 5: Solve for x
    x = 1,548,703,418,353.93/1,778,508.32
  6. Step 6: Final answer
    x = 870,787.84

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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.