Home / 1,676,174.72-2,313,131.40-912,236.18

Finding the Fourth Proportional to 1,676,174.72, 2,313,131.40 and 912,236.18

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Solution

The fourth proportional to 1,676,174.72, 2,313,131.40 and 912,236.18 is: 1,258,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,174.72 : 2,313,131.40 = 912,236.18 : x
  2. Step 2: Convert to fraction form
    1,676,174.72/2,313,131.40 = 912,236.18/x
  3. Step 3: Cross multiply
    1,676,174.72x = 2,313,131.40 × 912,236.18
  4. Step 4: Simplify right side
    1,676,174.72x = 2,110,122,140,608.40
  5. Step 5: Solve for x
    x = 2,110,122,140,608.40/1,676,174.72
  6. Step 6: Final answer
    x = 1,258,891.52

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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.