Home / 909,546.42-1,365,265.90-669,930.88

Finding the Fourth Proportional to 909,546.42, 1,365,265.90 and 669,930.88

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Solution

The fourth proportional to 909,546.42, 1,365,265.90 and 669,930.88 is: 1,005,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,546.42 : 1,365,265.90 = 669,930.88 : x
  2. Step 2: Convert to fraction form
    909,546.42/1,365,265.90 = 669,930.88/x
  3. Step 3: Cross multiply
    909,546.42x = 1,365,265.90 × 669,930.88
  4. Step 4: Simplify right side
    909,546.42x = 914,633,785,820.99
  5. Step 5: Solve for x
    x = 914,633,785,820.99/909,546.42
  6. Step 6: Final answer
    x = 1,005,593.30

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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.