Home / 684,723.60-1,027,085.40-657,167.40

Finding the Fourth Proportional to 684,723.60, 1,027,085.40 and 657,167.40

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Solution

The fourth proportional to 684,723.60, 1,027,085.40 and 657,167.40 is: 985,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,723.60 : 1,027,085.40 = 657,167.40 : x
  2. Step 2: Convert to fraction form
    684,723.60/1,027,085.40 = 657,167.40/x
  3. Step 3: Cross multiply
    684,723.60x = 1,027,085.40 × 657,167.40
  4. Step 4: Simplify right side
    684,723.60x = 674,967,041,895.96
  5. Step 5: Solve for x
    x = 674,967,041,895.96/684,723.60
  6. Step 6: Final answer
    x = 985,751.10

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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.