Home / 1,676,703.89-2,313,851.73-912,757.25

Finding the Fourth Proportional to 1,676,703.89, 2,313,851.73 and 912,757.25

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Solution

The fourth proportional to 1,676,703.89, 2,313,851.73 and 912,757.25 is: 1,259,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,703.89 : 2,313,851.73 = 912,757.25 : x
  2. Step 2: Convert to fraction form
    1,676,703.89/2,313,851.73 = 912,757.25/x
  3. Step 3: Cross multiply
    1,676,703.89x = 2,313,851.73 × 912,757.25
  4. Step 4: Simplify right side
    1,676,703.89x = 2,111,984,941,982.54
  5. Step 5: Solve for x
    x = 2,111,984,941,982.54/1,676,703.89
  6. Step 6: Final answer
    x = 1,259,605.20

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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.