Home / 1,418,808.69-1,957,939.86-774,239.85

Finding the Fourth Proportional to 1,418,808.69, 1,957,939.86 and 774,239.85

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Solution

The fourth proportional to 1,418,808.69, 1,957,939.86 and 774,239.85 is: 1,068,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,808.69 : 1,957,939.86 = 774,239.85 : x
  2. Step 2: Convert to fraction form
    1,418,808.69/1,957,939.86 = 774,239.85/x
  3. Step 3: Cross multiply
    1,418,808.69x = 1,957,939.86 × 774,239.85
  4. Step 4: Simplify right side
    1,418,808.69x = 1,515,915,063,515.42
  5. Step 5: Solve for x
    x = 1,515,915,063,515.42/1,418,808.69
  6. Step 6: Final answer
    x = 1,068,442.19

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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.