Home / 1,180,447.90-1,767,006.52-639,360.32

Finding the Fourth Proportional to 1,180,447.90, 1,767,006.52 and 639,360.32

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Solution

The fourth proportional to 1,180,447.90, 1,767,006.52 and 639,360.32 is: 957,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,447.90 : 1,767,006.52 = 639,360.32 : x
  2. Step 2: Convert to fraction form
    1,180,447.90/1,767,006.52 = 639,360.32/x
  3. Step 3: Cross multiply
    1,180,447.90x = 1,767,006.52 × 639,360.32
  4. Step 4: Simplify right side
    1,180,447.90x = 1,129,753,843,635.85
  5. Step 5: Solve for x
    x = 1,129,753,843,635.85/1,180,447.90
  6. Step 6: Final answer
    x = 957,055.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.