Home / 1,815,763.28-2,503,894.92-1,203,703.12

Finding the Fourth Proportional to 1,815,763.28, 2,503,894.92 and 1,203,703.12

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Solution

The fourth proportional to 1,815,763.28, 2,503,894.92 and 1,203,703.12 is: 1,659,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,763.28 : 2,503,894.92 = 1,203,703.12 : x
  2. Step 2: Convert to fraction form
    1,815,763.28/2,503,894.92 = 1,203,703.12/x
  3. Step 3: Cross multiply
    1,815,763.28x = 2,503,894.92 × 1,203,703.12
  4. Step 4: Simplify right side
    1,815,763.28x = 3,013,946,127,356.15
  5. Step 5: Solve for x
    x = 3,013,946,127,356.15/1,815,763.28
  6. Step 6: Final answer
    x = 1,659,878.33

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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.