Home / 1,145,113.20-1,580,107.50-635,717.16

Finding the Fourth Proportional to 1,145,113.20, 1,580,107.50 and 635,717.16

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Solution

The fourth proportional to 1,145,113.20, 1,580,107.50 and 635,717.16 is: 877,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,113.20 : 1,580,107.50 = 635,717.16 : x
  2. Step 2: Convert to fraction form
    1,145,113.20/1,580,107.50 = 635,717.16/x
  3. Step 3: Cross multiply
    1,145,113.20x = 1,580,107.50 × 635,717.16
  4. Step 4: Simplify right side
    1,145,113.20x = 1,004,501,452,394.70
  5. Step 5: Solve for x
    x = 1,004,501,452,394.70/1,145,113.20
  6. Step 6: Final answer
    x = 877,207.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.