Home / 1,289,039.52-1,778,473.08-744,977.28

Finding the Fourth Proportional to 1,289,039.52, 1,778,473.08 and 744,977.28

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Solution

The fourth proportional to 1,289,039.52, 1,778,473.08 and 744,977.28 is: 1,027,836.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,039.52 : 1,778,473.08 = 744,977.28 : x
  2. Step 2: Convert to fraction form
    1,289,039.52/1,778,473.08 = 744,977.28/x
  3. Step 3: Cross multiply
    1,289,039.52x = 1,778,473.08 × 744,977.28
  4. Step 4: Simplify right side
    1,289,039.52x = 1,324,922,037,691.62
  5. Step 5: Solve for x
    x = 1,324,922,037,691.62/1,289,039.52
  6. Step 6: Final answer
    x = 1,027,836.63

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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.