Home / 838,298.80-1,257,448.20-667,056.70

Finding the Fourth Proportional to 838,298.80, 1,257,448.20 and 667,056.70

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Solution

The fourth proportional to 838,298.80, 1,257,448.20 and 667,056.70 is: 1,000,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,298.80 : 1,257,448.20 = 667,056.70 : x
  2. Step 2: Convert to fraction form
    838,298.80/1,257,448.20 = 667,056.70/x
  3. Step 3: Cross multiply
    838,298.80x = 1,257,448.20 × 667,056.70
  4. Step 4: Simplify right side
    838,298.80x = 838,789,246,712.94
  5. Step 5: Solve for x
    x = 838,789,246,712.94/838,298.80
  6. Step 6: Final answer
    x = 1,000,585.05

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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.