Home / 1,412,974.32-1,949,913.84-768,401.52

Finding the Fourth Proportional to 1,412,974.32, 1,949,913.84 and 768,401.52

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Solution

The fourth proportional to 1,412,974.32, 1,949,913.84 and 768,401.52 is: 1,060,399.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,974.32 : 1,949,913.84 = 768,401.52 : x
  2. Step 2: Convert to fraction form
    1,412,974.32/1,949,913.84 = 768,401.52/x
  3. Step 3: Cross multiply
    1,412,974.32x = 1,949,913.84 × 768,401.52
  4. Step 4: Simplify right side
    1,412,974.32x = 1,498,316,758,525.04
  5. Step 5: Solve for x
    x = 1,498,316,758,525.04/1,412,974.32
  6. Step 6: Final answer
    x = 1,060,399.14

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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.