Home / 1,394,340.80-2,088,400.80-1,145,508.80

Finding the Fourth Proportional to 1,394,340.80, 2,088,400.80 and 1,145,508.80

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Solution

The fourth proportional to 1,394,340.80, 2,088,400.80 and 1,145,508.80 is: 1,715,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,340.80 : 2,088,400.80 = 1,145,508.80 : x
  2. Step 2: Convert to fraction form
    1,394,340.80/2,088,400.80 = 1,145,508.80/x
  3. Step 3: Cross multiply
    1,394,340.80x = 2,088,400.80 × 1,145,508.80
  4. Step 4: Simplify right side
    1,394,340.80x = 2,392,281,494,327.04
  5. Step 5: Solve for x
    x = 2,392,281,494,327.04/1,394,340.80
  6. Step 6: Final answer
    x = 1,715,707.88

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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.