Home / 1,113,753.52-1,670,255.88-403,632.88

Finding the Fourth Proportional to 1,113,753.52, 1,670,255.88 and 403,632.88

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Solution

The fourth proportional to 1,113,753.52, 1,670,255.88 and 403,632.88 is: 605,313.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,753.52 : 1,670,255.88 = 403,632.88 : x
  2. Step 2: Convert to fraction form
    1,113,753.52/1,670,255.88 = 403,632.88/x
  3. Step 3: Cross multiply
    1,113,753.52x = 1,670,255.88 × 403,632.88
  4. Step 4: Simplify right side
    1,113,753.52x = 674,170,191,181.33
  5. Step 5: Solve for x
    x = 674,170,191,181.33/1,113,753.52
  6. Step 6: Final answer
    x = 605,313.63

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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.