Home / 1,213,306.38-1,674,357.81-669,475.98

Finding the Fourth Proportional to 1,213,306.38, 1,674,357.81 and 669,475.98

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Solution

The fourth proportional to 1,213,306.38, 1,674,357.81 and 669,475.98 is: 923,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,306.38 : 1,674,357.81 = 669,475.98 : x
  2. Step 2: Convert to fraction form
    1,213,306.38/1,674,357.81 = 669,475.98/x
  3. Step 3: Cross multiply
    1,213,306.38x = 1,674,357.81 × 669,475.98
  4. Step 4: Simplify right side
    1,213,306.38x = 1,120,942,335,720.40
  5. Step 5: Solve for x
    x = 1,120,942,335,720.40/1,213,306.38
  6. Step 6: Final answer
    x = 923,874.10

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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.