Home / 1,145,114.20-1,580,108.88-635,718.16

Finding the Fourth Proportional to 1,145,114.20, 1,580,108.88 and 635,718.16

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Solution

The fourth proportional to 1,145,114.20, 1,580,108.88 and 635,718.16 is: 877,208.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,114.20 : 1,580,108.88 = 635,718.16 : x
  2. Step 2: Convert to fraction form
    1,145,114.20/1,580,108.88 = 635,718.16/x
  3. Step 3: Cross multiply
    1,145,114.20x = 1,580,108.88 × 635,718.16
  4. Step 4: Simplify right side
    1,145,114.20x = 1,004,503,909,793.26
  5. Step 5: Solve for x
    x = 1,004,503,909,793.26/1,145,114.20
  6. Step 6: Final answer
    x = 877,208.50

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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.