Home / 1,489,619.40-2,234,429.10-542,867.10

Finding the Fourth Proportional to 1,489,619.40, 2,234,429.10 and 542,867.10

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Solution

The fourth proportional to 1,489,619.40, 2,234,429.10 and 542,867.10 is: 814,300.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,619.40 : 2,234,429.10 = 542,867.10 : x
  2. Step 2: Convert to fraction form
    1,489,619.40/2,234,429.10 = 542,867.10/x
  3. Step 3: Cross multiply
    1,489,619.40x = 2,234,429.10 × 542,867.10
  4. Step 4: Simplify right side
    1,489,619.40x = 1,212,998,045,672.61
  5. Step 5: Solve for x
    x = 1,212,998,045,672.61/1,489,619.40
  6. Step 6: Final answer
    x = 814,300.65

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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.