Home / 1,314,017.30-1,970,565.15-682,721.30

Finding the Fourth Proportional to 1,314,017.30, 1,970,565.15 and 682,721.30

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Solution

The fourth proportional to 1,314,017.30, 1,970,565.15 and 682,721.30 is: 1,023,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,017.30 : 1,970,565.15 = 682,721.30 : x
  2. Step 2: Convert to fraction form
    1,314,017.30/1,970,565.15 = 682,721.30/x
  3. Step 3: Cross multiply
    1,314,017.30x = 1,970,565.15 × 682,721.30
  4. Step 4: Simplify right side
    1,314,017.30x = 1,345,346,800,942.70
  5. Step 5: Solve for x
    x = 1,345,346,800,942.70/1,314,017.30
  6. Step 6: Final answer
    x = 1,023,842.53

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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.