Home / 909,540.40-1,365,256.88-669,924.86

Finding the Fourth Proportional to 909,540.40, 1,365,256.88 and 669,924.86

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Solution

The fourth proportional to 909,540.40, 1,365,256.88 and 669,924.86 is: 1,005,584.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,540.40 : 1,365,256.88 = 669,924.86 : x
  2. Step 2: Convert to fraction form
    909,540.40/1,365,256.88 = 669,924.86/x
  3. Step 3: Cross multiply
    909,540.40x = 1,365,256.88 × 669,924.86
  4. Step 4: Simplify right side
    909,540.40x = 914,619,524,198.04
  5. Step 5: Solve for x
    x = 914,619,524,198.04/909,540.40
  6. Step 6: Final answer
    x = 1,005,584.28

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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.