Home / 1,115,041.20-1,538,748.36-605,747.22

Finding the Fourth Proportional to 1,115,041.20, 1,538,748.36 and 605,747.22

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Solution

The fourth proportional to 1,115,041.20, 1,538,748.36 and 605,747.22 is: 835,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,041.20 : 1,538,748.36 = 605,747.22 : x
  2. Step 2: Convert to fraction form
    1,115,041.20/1,538,748.36 = 605,747.22/x
  3. Step 3: Cross multiply
    1,115,041.20x = 1,538,748.36 × 605,747.22
  4. Step 4: Simplify right side
    1,115,041.20x = 932,092,541,349.56
  5. Step 5: Solve for x
    x = 932,092,541,349.56/1,115,041.20
  6. Step 6: Final answer
    x = 835,926.55

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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.