Home / 1,205,226.44-1,663,207.92-661,371.32

Finding the Fourth Proportional to 1,205,226.44, 1,663,207.92 and 661,371.32

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Solution

The fourth proportional to 1,205,226.44, 1,663,207.92 and 661,371.32 is: 912,689.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,226.44 : 1,663,207.92 = 661,371.32 : x
  2. Step 2: Convert to fraction form
    1,205,226.44/1,663,207.92 = 661,371.32/x
  3. Step 3: Cross multiply
    1,205,226.44x = 1,663,207.92 × 661,371.32
  4. Step 4: Simplify right side
    1,205,226.44x = 1,099,998,017,484.85
  5. Step 5: Solve for x
    x = 1,099,998,017,484.85/1,205,226.44
  6. Step 6: Final answer
    x = 912,689.92

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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.