Home / 1,817,465.25-2,508,930.82-1,294,512.55

Finding the Fourth Proportional to 1,817,465.25, 2,508,930.82 and 1,294,512.55

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Solution

The fourth proportional to 1,817,465.25, 2,508,930.82 and 1,294,512.55 is: 1,787,017.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,465.25 : 2,508,930.82 = 1,294,512.55 : x
  2. Step 2: Convert to fraction form
    1,817,465.25/2,508,930.82 = 1,294,512.55/x
  3. Step 3: Cross multiply
    1,817,465.25x = 2,508,930.82 × 1,294,512.55
  4. Step 4: Simplify right side
    1,817,465.25x = 3,247,842,428,917.61
  5. Step 5: Solve for x
    x = 3,247,842,428,917.61/1,817,465.25
  6. Step 6: Final answer
    x = 1,787,017.62

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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.