Home / 948,935.03-1,421,827.88-667,861.79

Finding the Fourth Proportional to 948,935.03, 1,421,827.88 and 667,861.79

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Solution

The fourth proportional to 948,935.03, 1,421,827.88 and 667,861.79 is: 1,000,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,935.03 : 1,421,827.88 = 667,861.79 : x
  2. Step 2: Convert to fraction form
    948,935.03/1,421,827.88 = 667,861.79/x
  3. Step 3: Cross multiply
    948,935.03x = 1,421,827.88 × 667,861.79
  4. Step 4: Simplify right side
    948,935.03x = 949,584,502,560.26
  5. Step 5: Solve for x
    x = 949,584,502,560.26/948,935.03
  6. Step 6: Final answer
    x = 1,000,684.43

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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.