Home / 1,236,272.40-1,856,158.20-970,333.20

Finding the Fourth Proportional to 1,236,272.40, 1,856,158.20 and 970,333.20

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Solution

The fourth proportional to 1,236,272.40, 1,856,158.20 and 970,333.20 is: 1,456,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,272.40 : 1,856,158.20 = 970,333.20 : x
  2. Step 2: Convert to fraction form
    1,236,272.40/1,856,158.20 = 970,333.20/x
  3. Step 3: Cross multiply
    1,236,272.40x = 1,856,158.20 × 970,333.20
  4. Step 4: Simplify right side
    1,236,272.40x = 1,801,091,925,912.24
  5. Step 5: Solve for x
    x = 1,801,091,925,912.24/1,236,272.40
  6. Step 6: Final answer
    x = 1,456,873.04

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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.