Home / 1,304,338.55-1,800,005.86-788,020.66

Finding the Fourth Proportional to 1,304,338.55, 1,800,005.86 and 788,020.66

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Solution

The fourth proportional to 1,304,338.55, 1,800,005.86 and 788,020.66 is: 1,087,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,338.55 : 1,800,005.86 = 788,020.66 : x
  2. Step 2: Convert to fraction form
    1,304,338.55/1,800,005.86 = 788,020.66/x
  3. Step 3: Cross multiply
    1,304,338.55x = 1,800,005.86 × 788,020.66
  4. Step 4: Simplify right side
    1,304,338.55x = 1,418,441,800,649.16
  5. Step 5: Solve for x
    x = 1,418,441,800,649.16/1,304,338.55
  6. Step 6: Final answer
    x = 1,087,479.78

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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.