Home / 1,438,929.12-1,985,728.53-794,354.61

Finding the Fourth Proportional to 1,438,929.12, 1,985,728.53 and 794,354.61

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Solution

The fourth proportional to 1,438,929.12, 1,985,728.53 and 794,354.61 is: 1,096,212.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,929.12 : 1,985,728.53 = 794,354.61 : x
  2. Step 2: Convert to fraction form
    1,438,929.12/1,985,728.53 = 794,354.61/x
  3. Step 3: Cross multiply
    1,438,929.12x = 1,985,728.53 × 794,354.61
  4. Step 4: Simplify right side
    1,438,929.12x = 1,577,372,606,801.37
  5. Step 5: Solve for x
    x = 1,577,372,606,801.37/1,438,929.12
  6. Step 6: Final answer
    x = 1,096,212.86

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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.