Home / 1,418,053.12-1,956,919.36-773,487.04

Finding the Fourth Proportional to 1,418,053.12, 1,956,919.36 and 773,487.04

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Solution

The fourth proportional to 1,418,053.12, 1,956,919.36 and 773,487.04 is: 1,067,415.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,053.12 : 1,956,919.36 = 773,487.04 : x
  2. Step 2: Convert to fraction form
    1,418,053.12/1,956,919.36 = 773,487.04/x
  3. Step 3: Cross multiply
    1,418,053.12x = 1,956,919.36 × 773,487.04
  4. Step 4: Simplify right side
    1,418,053.12x = 1,513,651,763,285.09
  5. Step 5: Solve for x
    x = 1,513,651,763,285.09/1,418,053.12
  6. Step 6: Final answer
    x = 1,067,415.42

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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.