Home / 1,428,616.82-2,142,937.25-363,659.06

Finding the Fourth Proportional to 1,428,616.82, 2,142,937.25 and 363,659.06

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Solution

The fourth proportional to 1,428,616.82, 2,142,937.25 and 363,659.06 is: 545,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,616.82 : 2,142,937.25 = 363,659.06 : x
  2. Step 2: Convert to fraction form
    1,428,616.82/2,142,937.25 = 363,659.06/x
  3. Step 3: Cross multiply
    1,428,616.82x = 2,142,937.25 × 363,659.06
  4. Step 4: Simplify right side
    1,428,616.82x = 779,298,552,240.48
  5. Step 5: Solve for x
    x = 779,298,552,240.48/1,428,616.82
  6. Step 6: Final answer
    x = 545,491.65

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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.