Home / 948,942.60-1,421,839.17-667,869.36

Finding the Fourth Proportional to 948,942.60, 1,421,839.17 and 667,869.36

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Solution

The fourth proportional to 948,942.60, 1,421,839.17 and 667,869.36 is: 1,000,695.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,942.60 : 1,421,839.17 = 667,869.36 : x
  2. Step 2: Convert to fraction form
    948,942.60/1,421,839.17 = 667,869.36/x
  3. Step 3: Cross multiply
    948,942.60x = 1,421,839.17 × 667,869.36
  4. Step 4: Simplify right side
    948,942.60x = 949,602,816,490.83
  5. Step 5: Solve for x
    x = 949,602,816,490.83/948,942.60
  6. Step 6: Final answer
    x = 1,000,695.74

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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.