Home / 1,438,920.45-1,985,658.12-794,326.77

Finding the Fourth Proportional to 1,438,920.45, 1,985,658.12 and 794,326.77

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Solution

The fourth proportional to 1,438,920.45, 1,985,658.12 and 794,326.77 is: 1,096,142.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,920.45 : 1,985,658.12 = 794,326.77 : x
  2. Step 2: Convert to fraction form
    1,438,920.45/1,985,658.12 = 794,326.77/x
  3. Step 3: Cross multiply
    1,438,920.45x = 1,985,658.12 × 794,326.77
  4. Step 4: Simplify right side
    1,438,920.45x = 1,577,261,400,783.87
  5. Step 5: Solve for x
    x = 1,577,261,400,783.87/1,438,920.45
  6. Step 6: Final answer
    x = 1,096,142.18

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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.