Home / 1,069,767.38-1,604,899.48-311,626.82

Finding the Fourth Proportional to 1,069,767.38, 1,604,899.48 and 311,626.82

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Solution

The fourth proportional to 1,069,767.38, 1,604,899.48 and 311,626.82 is: 467,512.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,767.38 : 1,604,899.48 = 311,626.82 : x
  2. Step 2: Convert to fraction form
    1,069,767.38/1,604,899.48 = 311,626.82/x
  3. Step 3: Cross multiply
    1,069,767.38x = 1,604,899.48 × 311,626.82
  4. Step 4: Simplify right side
    1,069,767.38x = 500,129,721,372.05
  5. Step 5: Solve for x
    x = 500,129,721,372.05/1,069,767.38
  6. Step 6: Final answer
    x = 467,512.59

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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.