Home / 1,145,135.76-1,580,335.56-635,885.52

Finding the Fourth Proportional to 1,145,135.76, 1,580,335.56 and 635,885.52

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Solution

The fourth proportional to 1,145,135.76, 1,580,335.56 and 635,885.52 is: 877,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,135.76 : 1,580,335.56 = 635,885.52 : x
  2. Step 2: Convert to fraction form
    1,145,135.76/1,580,335.56 = 635,885.52/x
  3. Step 3: Cross multiply
    1,145,135.76x = 1,580,335.56 × 635,885.52
  4. Step 4: Simplify right side
    1,145,135.76x = 1,004,912,499,345.09
  5. Step 5: Solve for x
    x = 1,004,912,499,345.09/1,145,135.76
  6. Step 6: Final answer
    x = 877,548.79

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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.