Home / 1,259,543.80-1,888,622.34-860,635

Finding the Fourth Proportional to 1,259,543.80, 1,888,622.34 and 860,635

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Solution

The fourth proportional to 1,259,543.80, 1,888,622.34 and 860,635 is: 1,290,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,543.80 : 1,888,622.34 = 860,635 : x
  2. Step 2: Convert to fraction form
    1,259,543.80/1,888,622.34 = 860,635/x
  3. Step 3: Cross multiply
    1,259,543.80x = 1,888,622.34 × 860,635
  4. Step 4: Simplify right side
    1,259,543.80x = 1,625,414,487,585.90
  5. Step 5: Solve for x
    x = 1,625,414,487,585.90/1,259,543.80
  6. Step 6: Final answer
    x = 1,290,478.73

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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.