Home / 1,676,131.14-2,313,016.64-912,168.30

Finding the Fourth Proportional to 1,676,131.14, 2,313,016.64 and 912,168.30

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Solution

The fourth proportional to 1,676,131.14, 2,313,016.64 and 912,168.30 is: 1,258,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,131.14 : 2,313,016.64 = 912,168.30 : x
  2. Step 2: Convert to fraction form
    1,676,131.14/2,313,016.64 = 912,168.30/x
  3. Step 3: Cross multiply
    1,676,131.14x = 2,313,016.64 × 912,168.30
  4. Step 4: Simplify right side
    1,676,131.14x = 2,109,860,456,380.51
  5. Step 5: Solve for x
    x = 2,109,860,456,380.51/1,676,131.14
  6. Step 6: Final answer
    x = 1,258,768.13

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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.