Home / 1,341,979.11-1,851,982.11-769,129.83

Finding the Fourth Proportional to 1,341,979.11, 1,851,982.11 and 769,129.83

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Solution

The fourth proportional to 1,341,979.11, 1,851,982.11 and 769,129.83 is: 1,061,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,979.11 : 1,851,982.11 = 769,129.83 : x
  2. Step 2: Convert to fraction form
    1,341,979.11/1,851,982.11 = 769,129.83/x
  3. Step 3: Cross multiply
    1,341,979.11x = 1,851,982.11 × 769,129.83
  4. Step 4: Simplify right side
    1,341,979.11x = 1,424,414,685,427.34
  5. Step 5: Solve for x
    x = 1,424,414,685,427.34/1,341,979.11
  6. Step 6: Final answer
    x = 1,061,428.36

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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.