Home / 1,373,211.68-1,894,956.22-761,328.72

Finding the Fourth Proportional to 1,373,211.68, 1,894,956.22 and 761,328.72

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Solution

The fourth proportional to 1,373,211.68, 1,894,956.22 and 761,328.72 is: 1,050,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,211.68 : 1,894,956.22 = 761,328.72 : x
  2. Step 2: Convert to fraction form
    1,373,211.68/1,894,956.22 = 761,328.72/x
  3. Step 3: Cross multiply
    1,373,211.68x = 1,894,956.22 × 761,328.72
  4. Step 4: Simplify right side
    1,373,211.68x = 1,442,684,594,380.30
  5. Step 5: Solve for x
    x = 1,442,684,594,380.30/1,373,211.68
  6. Step 6: Final answer
    x = 1,050,591.55

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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.