Home / 1,165,081.20-1,747,621.80-455,132.40

Finding the Fourth Proportional to 1,165,081.20, 1,747,621.80 and 455,132.40

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Solution

The fourth proportional to 1,165,081.20, 1,747,621.80 and 455,132.40 is: 682,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,081.20 : 1,747,621.80 = 455,132.40 : x
  2. Step 2: Convert to fraction form
    1,165,081.20/1,747,621.80 = 455,132.40/x
  3. Step 3: Cross multiply
    1,165,081.20x = 1,747,621.80 × 455,132.40
  4. Step 4: Simplify right side
    1,165,081.20x = 795,399,304,126.32
  5. Step 5: Solve for x
    x = 795,399,304,126.32/1,165,081.20
  6. Step 6: Final answer
    x = 682,698.60

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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.