Home / 1,394,272.80-2,088,298.80-1,145,440.80

Finding the Fourth Proportional to 1,394,272.80, 2,088,298.80 and 1,145,440.80

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Solution

The fourth proportional to 1,394,272.80, 2,088,298.80 and 1,145,440.80 is: 1,715,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,272.80 : 2,088,298.80 = 1,145,440.80 : x
  2. Step 2: Convert to fraction form
    1,394,272.80/2,088,298.80 = 1,145,440.80/x
  3. Step 3: Cross multiply
    1,394,272.80x = 2,088,298.80 × 1,145,440.80
  4. Step 4: Simplify right side
    1,394,272.80x = 2,392,022,648,111.04
  5. Step 5: Solve for x
    x = 2,392,022,648,111.04/1,394,272.80
  6. Step 6: Final answer
    x = 1,715,605.90

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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.