Home / 948,941.10-1,421,836.92-667,867.86

Finding the Fourth Proportional to 948,941.10, 1,421,836.92 and 667,867.86

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Solution

The fourth proportional to 948,941.10, 1,421,836.92 and 667,867.86 is: 1,000,693.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,941.10 : 1,421,836.92 = 667,867.86 : x
  2. Step 2: Convert to fraction form
    948,941.10/1,421,836.92 = 667,867.86/x
  3. Step 3: Cross multiply
    948,941.10x = 1,421,836.92 × 667,867.86
  4. Step 4: Simplify right side
    948,941.10x = 949,599,181,029.39
  5. Step 5: Solve for x
    x = 949,599,181,029.39/948,941.10
  6. Step 6: Final answer
    x = 1,000,693.49

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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.