Home / 1,078,131.66-1,616,723.85-403,739.97

Finding the Fourth Proportional to 1,078,131.66, 1,616,723.85 and 403,739.97

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Solution

The fourth proportional to 1,078,131.66, 1,616,723.85 and 403,739.97 is: 605,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,131.66 : 1,616,723.85 = 403,739.97 : x
  2. Step 2: Convert to fraction form
    1,078,131.66/1,616,723.85 = 403,739.97/x
  3. Step 3: Cross multiply
    1,078,131.66x = 1,616,723.85 × 403,739.97
  4. Step 4: Simplify right side
    1,078,131.66x = 652,736,034,148.60
  5. Step 5: Solve for x
    x = 652,736,034,148.60/1,078,131.66
  6. Step 6: Final answer
    x = 605,432.58

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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.