Home / 1,214,892.30-1,822,338.45-860,306.70

Finding the Fourth Proportional to 1,214,892.30, 1,822,338.45 and 860,306.70

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Solution

The fourth proportional to 1,214,892.30, 1,822,338.45 and 860,306.70 is: 1,290,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,892.30 : 1,822,338.45 = 860,306.70 : x
  2. Step 2: Convert to fraction form
    1,214,892.30/1,822,338.45 = 860,306.70/x
  3. Step 3: Cross multiply
    1,214,892.30x = 1,822,338.45 × 860,306.70
  4. Step 4: Simplify right side
    1,214,892.30x = 1,567,769,978,202.62
  5. Step 5: Solve for x
    x = 1,567,769,978,202.62/1,214,892.30
  6. Step 6: Final answer
    x = 1,290,460.05

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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.