Home / 1,191,229.76-1,787,178.15-481,756.02

Finding the Fourth Proportional to 1,191,229.76, 1,787,178.15 and 481,756.02

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Solution

The fourth proportional to 1,191,229.76, 1,787,178.15 and 481,756.02 is: 722,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,229.76 : 1,787,178.15 = 481,756.02 : x
  2. Step 2: Convert to fraction form
    1,191,229.76/1,787,178.15 = 481,756.02/x
  3. Step 3: Cross multiply
    1,191,229.76x = 1,787,178.15 × 481,756.02
  4. Step 4: Simplify right side
    1,191,229.76x = 860,983,832,574.96
  5. Step 5: Solve for x
    x = 860,983,832,574.96/1,191,229.76
  6. Step 6: Final answer
    x = 722,768.91

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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.