Home / 1,412,722.49-1,949,581.38-768,147.03

Finding the Fourth Proportional to 1,412,722.49, 1,949,581.38 and 768,147.03

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Solution

The fourth proportional to 1,412,722.49, 1,949,581.38 and 768,147.03 is: 1,060,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,722.49 : 1,949,581.38 = 768,147.03 : x
  2. Step 2: Convert to fraction form
    1,412,722.49/1,949,581.38 = 768,147.03/x
  3. Step 3: Cross multiply
    1,412,722.49x = 1,949,581.38 × 768,147.03
  4. Step 4: Simplify right side
    1,412,722.49x = 1,497,565,146,790.30
  5. Step 5: Solve for x
    x = 1,497,565,146,790.30/1,412,722.49
  6. Step 6: Final answer
    x = 1,060,056.14

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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.