Home / 1,419,876.12-1,959,421.25-775,291.74

Finding the Fourth Proportional to 1,419,876.12, 1,959,421.25 and 775,291.74

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Solution

The fourth proportional to 1,419,876.12, 1,959,421.25 and 775,291.74 is: 1,069,898.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,876.12 : 1,959,421.25 = 775,291.74 : x
  2. Step 2: Convert to fraction form
    1,419,876.12/1,959,421.25 = 775,291.74/x
  3. Step 3: Cross multiply
    1,419,876.12x = 1,959,421.25 × 775,291.74
  4. Step 4: Simplify right side
    1,419,876.12x = 1,519,123,110,305.48
  5. Step 5: Solve for x
    x = 1,519,123,110,305.48/1,419,876.12
  6. Step 6: Final answer
    x = 1,069,898.34

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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.