Home / 854,540.70-1,281,811.05-854,540.70

Finding the Fourth Proportional to 854,540.70, 1,281,811.05 and 854,540.70

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Solution

The fourth proportional to 854,540.70, 1,281,811.05 and 854,540.70 is: 1,281,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,540.70 : 1,281,811.05 = 854,540.70 : x
  2. Step 2: Convert to fraction form
    854,540.70/1,281,811.05 = 854,540.70/x
  3. Step 3: Cross multiply
    854,540.70x = 1,281,811.05 × 854,540.70
  4. Step 4: Simplify right side
    854,540.70x = 1,095,359,711,934.74
  5. Step 5: Solve for x
    x = 1,095,359,711,934.74/854,540.70
  6. Step 6: Final answer
    x = 1,281,811.05

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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.