Home / 1,458,438.20-2,187,657.30-659,745.80

Finding the Fourth Proportional to 1,458,438.20, 2,187,657.30 and 659,745.80

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Solution

The fourth proportional to 1,458,438.20, 2,187,657.30 and 659,745.80 is: 989,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,438.20 : 2,187,657.30 = 659,745.80 : x
  2. Step 2: Convert to fraction form
    1,458,438.20/2,187,657.30 = 659,745.80/x
  3. Step 3: Cross multiply
    1,458,438.20x = 2,187,657.30 × 659,745.80
  4. Step 4: Simplify right side
    1,458,438.20x = 1,443,297,715,514.34
  5. Step 5: Solve for x
    x = 1,443,297,715,514.34/1,458,438.20
  6. Step 6: Final answer
    x = 989,618.70

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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.