Home / 1,458,280.20-2,187,420.30-659,587.80

Finding the Fourth Proportional to 1,458,280.20, 2,187,420.30 and 659,587.80

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Solution

The fourth proportional to 1,458,280.20, 2,187,420.30 and 659,587.80 is: 989,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,280.20 : 2,187,420.30 = 659,587.80 : x
  2. Step 2: Convert to fraction form
    1,458,280.20/2,187,420.30 = 659,587.80/x
  3. Step 3: Cross multiply
    1,458,280.20x = 2,187,420.30 × 659,587.80
  4. Step 4: Simplify right side
    1,458,280.20x = 1,442,795,743,352.34
  5. Step 5: Solve for x
    x = 1,442,795,743,352.34/1,458,280.20
  6. Step 6: Final answer
    x = 989,381.70

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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.