Home / 1,428,188.31-2,142,273.22-363,221.17

Finding the Fourth Proportional to 1,428,188.31, 2,142,273.22 and 363,221.17

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Solution

The fourth proportional to 1,428,188.31, 2,142,273.22 and 363,221.17 is: 544,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,188.31 : 2,142,273.22 = 363,221.17 : x
  2. Step 2: Convert to fraction form
    1,428,188.31/2,142,273.22 = 363,221.17/x
  3. Step 3: Cross multiply
    1,428,188.31x = 2,142,273.22 × 363,221.17
  4. Step 4: Simplify right side
    1,428,188.31x = 778,118,979,164.33
  5. Step 5: Solve for x
    x = 778,118,979,164.33/1,428,188.31
  6. Step 6: Final answer
    x = 544,829.40

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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.