Home / 1,676,129.64-2,313,014.58-912,166.80

Finding the Fourth Proportional to 1,676,129.64, 2,313,014.58 and 912,166.80

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Solution

The fourth proportional to 1,676,129.64, 2,313,014.58 and 912,166.80 is: 1,258,766.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,129.64 : 2,313,014.58 = 912,166.80 : x
  2. Step 2: Convert to fraction form
    1,676,129.64/2,313,014.58 = 912,166.80/x
  3. Step 3: Cross multiply
    1,676,129.64x = 2,313,014.58 × 912,166.80
  4. Step 4: Simplify right side
    1,676,129.64x = 2,109,855,107,791.94
  5. Step 5: Solve for x
    x = 2,109,855,107,791.94/1,676,129.64
  6. Step 6: Final answer
    x = 1,258,766.06

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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.