Home / 1,412,476.56-1,949,239.84-767,899.22

Finding the Fourth Proportional to 1,412,476.56, 1,949,239.84 and 767,899.22

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Solution

The fourth proportional to 1,412,476.56, 1,949,239.84 and 767,899.22 is: 1,059,712.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,476.56 : 1,949,239.84 = 767,899.22 : x
  2. Step 2: Convert to fraction form
    1,412,476.56/1,949,239.84 = 767,899.22/x
  3. Step 3: Cross multiply
    1,412,476.56x = 1,949,239.84 × 767,899.22
  4. Step 4: Simplify right side
    1,412,476.56x = 1,496,819,752,728.92
  5. Step 5: Solve for x
    x = 1,496,819,752,728.92/1,412,476.56
  6. Step 6: Final answer
    x = 1,059,712.99

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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.