Home / 1,222,793.40-1,834,190.10-772,052.70

Finding the Fourth Proportional to 1,222,793.40, 1,834,190.10 and 772,052.70

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Solution

The fourth proportional to 1,222,793.40, 1,834,190.10 and 772,052.70 is: 1,158,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,793.40 : 1,834,190.10 = 772,052.70 : x
  2. Step 2: Convert to fraction form
    1,222,793.40/1,834,190.10 = 772,052.70/x
  3. Step 3: Cross multiply
    1,222,793.40x = 1,834,190.10 × 772,052.70
  4. Step 4: Simplify right side
    1,222,793.40x = 1,416,091,419,018.27
  5. Step 5: Solve for x
    x = 1,416,091,419,018.27/1,222,793.40
  6. Step 6: Final answer
    x = 1,158,079.05

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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.