Home / 948,930.53-1,421,821.13-667,857.29

Finding the Fourth Proportional to 948,930.53, 1,421,821.13 and 667,857.29

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Solution

The fourth proportional to 948,930.53, 1,421,821.13 and 667,857.29 is: 1,000,677.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,930.53 : 1,421,821.13 = 667,857.29 : x
  2. Step 2: Convert to fraction form
    948,930.53/1,421,821.13 = 667,857.29/x
  3. Step 3: Cross multiply
    948,930.53x = 1,421,821.13 × 667,857.29
  4. Step 4: Simplify right side
    948,930.53x = 949,573,596,298.15
  5. Step 5: Solve for x
    x = 949,573,596,298.15/948,930.53
  6. Step 6: Final answer
    x = 1,000,677.68

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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.