Home / 1,165,513.20-1,747,924.20-455,132.40

Finding the Fourth Proportional to 1,165,513.20, 1,747,924.20 and 455,132.40

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Solution

The fourth proportional to 1,165,513.20, 1,747,924.20 and 455,132.40 is: 682,563.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,513.20 : 1,747,924.20 = 455,132.40 : x
  2. Step 2: Convert to fraction form
    1,165,513.20/1,747,924.20 = 455,132.40/x
  3. Step 3: Cross multiply
    1,165,513.20x = 1,747,924.20 × 455,132.40
  4. Step 4: Simplify right side
    1,165,513.20x = 795,536,936,164.08
  5. Step 5: Solve for x
    x = 795,536,936,164.08/1,165,513.20
  6. Step 6: Final answer
    x = 682,563.64

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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.