Home / 1,386,027.80-2,079,819.30-587,173.40

Finding the Fourth Proportional to 1,386,027.80, 2,079,819.30 and 587,173.40

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Solution

The fourth proportional to 1,386,027.80, 2,079,819.30 and 587,173.40 is: 881,089.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,027.80 : 2,079,819.30 = 587,173.40 : x
  2. Step 2: Convert to fraction form
    1,386,027.80/2,079,819.30 = 587,173.40/x
  3. Step 3: Cross multiply
    1,386,027.80x = 2,079,819.30 × 587,173.40
  4. Step 4: Simplify right side
    1,386,027.80x = 1,221,214,569,766.62
  5. Step 5: Solve for x
    x = 1,221,214,569,766.62/1,386,027.80
  6. Step 6: Final answer
    x = 881,089.52

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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.