Home / 1,214,754.80-1,822,132.20-860,169.20

Finding the Fourth Proportional to 1,214,754.80, 1,822,132.20 and 860,169.20

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Solution

The fourth proportional to 1,214,754.80, 1,822,132.20 and 860,169.20 is: 1,290,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,754.80 : 1,822,132.20 = 860,169.20 : x
  2. Step 2: Convert to fraction form
    1,214,754.80/1,822,132.20 = 860,169.20/x
  3. Step 3: Cross multiply
    1,214,754.80x = 1,822,132.20 × 860,169.20
  4. Step 4: Simplify right side
    1,214,754.80x = 1,567,341,996,768.24
  5. Step 5: Solve for x
    x = 1,567,341,996,768.24/1,214,754.80
  6. Step 6: Final answer
    x = 1,290,253.80

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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.