Home / 889,167.20-1,329,814.20-747,449.60

Finding the Fourth Proportional to 889,167.20, 1,329,814.20 and 747,449.60

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Solution

The fourth proportional to 889,167.20, 1,329,814.20 and 747,449.60 is: 1,117,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,167.20 : 1,329,814.20 = 747,449.60 : x
  2. Step 2: Convert to fraction form
    889,167.20/1,329,814.20 = 747,449.60/x
  3. Step 3: Cross multiply
    889,167.20x = 1,329,814.20 × 747,449.60
  4. Step 4: Simplify right side
    889,167.20x = 993,969,091,864.32
  5. Step 5: Solve for x
    x = 993,969,091,864.32/889,167.20
  6. Step 6: Final answer
    x = 1,117,865.22

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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.