Home / 787,599.10-1,181,398.65-731,611.90

Finding the Fourth Proportional to 787,599.10, 1,181,398.65 and 731,611.90

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Solution

The fourth proportional to 787,599.10, 1,181,398.65 and 731,611.90 is: 1,097,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,599.10 : 1,181,398.65 = 731,611.90 : x
  2. Step 2: Convert to fraction form
    787,599.10/1,181,398.65 = 731,611.90/x
  3. Step 3: Cross multiply
    787,599.10x = 1,181,398.65 × 731,611.90
  4. Step 4: Simplify right side
    787,599.10x = 864,325,310,983.94
  5. Step 5: Solve for x
    x = 864,325,310,983.94/787,599.10
  6. Step 6: Final answer
    x = 1,097,417.85

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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.