Home / 1,393,412.55-1,922,925.45-773,230.44

Finding the Fourth Proportional to 1,393,412.55, 1,922,925.45 and 773,230.44

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Solution

The fourth proportional to 1,393,412.55, 1,922,925.45 and 773,230.44 is: 1,067,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,412.55 : 1,922,925.45 = 773,230.44 : x
  2. Step 2: Convert to fraction form
    1,393,412.55/1,922,925.45 = 773,230.44/x
  3. Step 3: Cross multiply
    1,393,412.55x = 1,922,925.45 × 773,230.44
  4. Step 4: Simplify right side
    1,393,412.55x = 1,486,864,498,531.09
  5. Step 5: Solve for x
    x = 1,486,864,498,531.09/1,393,412.55
  6. Step 6: Final answer
    x = 1,067,066.97

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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.