Home / 1,129,587.46-1,694,440.38-860,138.22

Finding the Fourth Proportional to 1,129,587.46, 1,694,440.38 and 860,138.22

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Solution

The fourth proportional to 1,129,587.46, 1,694,440.38 and 860,138.22 is: 1,290,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,587.46 : 1,694,440.38 = 860,138.22 : x
  2. Step 2: Convert to fraction form
    1,129,587.46/1,694,440.38 = 860,138.22/x
  3. Step 3: Cross multiply
    1,129,587.46x = 1,694,440.38 × 860,138.22
  4. Step 4: Simplify right side
    1,129,587.46x = 1,457,452,923,323.03
  5. Step 5: Solve for x
    x = 1,457,452,923,323.03/1,129,587.46
  6. Step 6: Final answer
    x = 1,290,252.39

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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.