Home / 1,213,414.07-1,674,509.45-669,549.44

Finding the Fourth Proportional to 1,213,414.07, 1,674,509.45 and 669,549.44

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Solution

The fourth proportional to 1,213,414.07, 1,674,509.45 and 669,549.44 is: 923,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,414.07 : 1,674,509.45 = 669,549.44 : x
  2. Step 2: Convert to fraction form
    1,213,414.07/1,674,509.45 = 669,549.44/x
  3. Step 3: Cross multiply
    1,213,414.07x = 1,674,509.45 × 669,549.44
  4. Step 4: Simplify right side
    1,213,414.07x = 1,121,166,865,360.73
  5. Step 5: Solve for x
    x = 1,121,166,865,360.73/1,213,414.07
  6. Step 6: Final answer
    x = 923,977.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.