Home / 724,451.60-1,086,677.40-668,464.40

Finding the Fourth Proportional to 724,451.60, 1,086,677.40 and 668,464.40

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Solution

The fourth proportional to 724,451.60, 1,086,677.40 and 668,464.40 is: 1,002,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,451.60 : 1,086,677.40 = 668,464.40 : x
  2. Step 2: Convert to fraction form
    724,451.60/1,086,677.40 = 668,464.40/x
  3. Step 3: Cross multiply
    724,451.60x = 1,086,677.40 × 668,464.40
  4. Step 4: Simplify right side
    724,451.60x = 726,405,156,184.56
  5. Step 5: Solve for x
    x = 726,405,156,184.56/724,451.60
  6. Step 6: Final answer
    x = 1,002,696.60

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1.5x scale

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.