Home / 1,370,849.28-1,891,797.12-767,235.84

Finding the Fourth Proportional to 1,370,849.28, 1,891,797.12 and 767,235.84

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Solution

The fourth proportional to 1,370,849.28, 1,891,797.12 and 767,235.84 is: 1,058,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,849.28 : 1,891,797.12 = 767,235.84 : x
  2. Step 2: Convert to fraction form
    1,370,849.28/1,891,797.12 = 767,235.84/x
  3. Step 3: Cross multiply
    1,370,849.28x = 1,891,797.12 × 767,235.84
  4. Step 4: Simplify right side
    1,370,849.28x = 1,451,454,552,472.78
  5. Step 5: Solve for x
    x = 1,451,454,552,472.78/1,370,849.28
  6. Step 6: Final answer
    x = 1,058,799.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.