Home / 684,728.40-1,027,092.60-667,232.40

Finding the Fourth Proportional to 684,728.40, 1,027,092.60 and 667,232.40

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Solution

The fourth proportional to 684,728.40, 1,027,092.60 and 667,232.40 is: 1,000,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,728.40 : 1,027,092.60 = 667,232.40 : x
  2. Step 2: Convert to fraction form
    684,728.40/1,027,092.60 = 667,232.40/x
  3. Step 3: Cross multiply
    684,728.40x = 1,027,092.60 × 667,232.40
  4. Step 4: Simplify right side
    684,728.40x = 685,309,460,520.24
  5. Step 5: Solve for x
    x = 685,309,460,520.24/684,728.40
  6. Step 6: Final answer
    x = 1,000,848.60

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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.