Home / 911,795.40-1,367,693.10-868,249.80

Finding the Fourth Proportional to 911,795.40, 1,367,693.10 and 868,249.80

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Solution

The fourth proportional to 911,795.40, 1,367,693.10 and 868,249.80 is: 1,302,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,795.40 : 1,367,693.10 = 868,249.80 : x
  2. Step 2: Convert to fraction form
    911,795.40/1,367,693.10 = 868,249.80/x
  3. Step 3: Cross multiply
    911,795.40x = 1,367,693.10 × 868,249.80
  4. Step 4: Simplify right side
    911,795.40x = 1,187,499,260,536.38
  5. Step 5: Solve for x
    x = 1,187,499,260,536.38/911,795.40
  6. Step 6: Final answer
    x = 1,302,374.70

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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.