Home / 1,176,005.80-1,761,384.30-908,900.20

Finding the Fourth Proportional to 1,176,005.80, 1,761,384.30 and 908,900.20

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Solution

The fourth proportional to 1,176,005.80, 1,761,384.30 and 908,900.20 is: 1,361,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,005.80 : 1,761,384.30 = 908,900.20 : x
  2. Step 2: Convert to fraction form
    1,176,005.80/1,761,384.30 = 908,900.20/x
  3. Step 3: Cross multiply
    1,176,005.80x = 1,761,384.30 × 908,900.20
  4. Step 4: Simplify right side
    1,176,005.80x = 1,600,922,542,546.86
  5. Step 5: Solve for x
    x = 1,600,922,542,546.86/1,176,005.80
  6. Step 6: Final answer
    x = 1,361,321.98

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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.