Home / 1,676,908.80-2,314,130.99-912,960.54

Finding the Fourth Proportional to 1,676,908.80, 2,314,130.99 and 912,960.54

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Solution

The fourth proportional to 1,676,908.80, 2,314,130.99 and 912,960.54 is: 1,259,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,908.80 : 2,314,130.99 = 912,960.54 : x
  2. Step 2: Convert to fraction form
    1,676,908.80/2,314,130.99 = 912,960.54/x
  3. Step 3: Cross multiply
    1,676,908.80x = 2,314,130.99 × 912,960.54
  4. Step 4: Simplify right side
    1,676,908.80x = 2,112,710,273,696.33
  5. Step 5: Solve for x
    x = 2,112,710,273,696.33/1,676,908.80
  6. Step 6: Final answer
    x = 1,259,883.83

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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.