Home / 1,307,517.09-1,961,164.91-454,369.75

Finding the Fourth Proportional to 1,307,517.09, 1,961,164.91 and 454,369.75

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Solution

The fourth proportional to 1,307,517.09, 1,961,164.91 and 454,369.75 is: 681,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,517.09 : 1,961,164.91 = 454,369.75 : x
  2. Step 2: Convert to fraction form
    1,307,517.09/1,961,164.91 = 454,369.75/x
  3. Step 3: Cross multiply
    1,307,517.09x = 1,961,164.91 × 454,369.75
  4. Step 4: Simplify right side
    1,307,517.09x = 891,094,017,130.04
  5. Step 5: Solve for x
    x = 891,094,017,130.04/1,307,517.09
  6. Step 6: Final answer
    x = 681,516.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.