Home / 1,269,545.49-1,752,460.38-861,829.56

Finding the Fourth Proportional to 1,269,545.49, 1,752,460.38 and 861,829.56

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Solution

The fourth proportional to 1,269,545.49, 1,752,460.38 and 861,829.56 is: 1,189,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,545.49 : 1,752,460.38 = 861,829.56 : x
  2. Step 2: Convert to fraction form
    1,269,545.49/1,752,460.38 = 861,829.56/x
  3. Step 3: Cross multiply
    1,269,545.49x = 1,752,460.38 × 861,829.56
  4. Step 4: Simplify right side
    1,269,545.49x = 1,510,322,158,212.83
  5. Step 5: Solve for x
    x = 1,510,322,158,212.83/1,269,545.49
  6. Step 6: Final answer
    x = 1,189,655.80

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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.