Home / 1,180,951.55-1,629,709.15-664,705.15

Finding the Fourth Proportional to 1,180,951.55, 1,629,709.15 and 664,705.15

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Solution

The fourth proportional to 1,180,951.55, 1,629,709.15 and 664,705.15 is: 917,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,951.55 : 1,629,709.15 = 664,705.15 : x
  2. Step 2: Convert to fraction form
    1,180,951.55/1,629,709.15 = 664,705.15/x
  3. Step 3: Cross multiply
    1,180,951.55x = 1,629,709.15 × 664,705.15
  4. Step 4: Simplify right side
    1,180,951.55x = 1,083,276,059,271.09
  5. Step 5: Solve for x
    x = 1,083,276,059,271.09/1,180,951.55
  6. Step 6: Final answer
    x = 917,290.85

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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.