Home / 787,396.66-1,182,517.72-724,100.02

Finding the Fourth Proportional to 787,396.66, 1,182,517.72 and 724,100.02

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Solution

The fourth proportional to 787,396.66, 1,182,517.72 and 724,100.02 is: 1,087,458.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,396.66 : 1,182,517.72 = 724,100.02 : x
  2. Step 2: Convert to fraction form
    787,396.66/1,182,517.72 = 724,100.02/x
  3. Step 3: Cross multiply
    787,396.66x = 1,182,517.72 × 724,100.02
  4. Step 4: Simplify right side
    787,396.66x = 856,261,099,935.81
  5. Step 5: Solve for x
    x = 856,261,099,935.81/787,396.66
  6. Step 6: Final answer
    x = 1,087,458.39

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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.