Home / 1,555,067.36-2,145,983.40-876,222.56

Finding the Fourth Proportional to 1,555,067.36, 2,145,983.40 and 876,222.56

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Solution

The fourth proportional to 1,555,067.36, 2,145,983.40 and 876,222.56 is: 1,209,181.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,067.36 : 2,145,983.40 = 876,222.56 : x
  2. Step 2: Convert to fraction form
    1,555,067.36/2,145,983.40 = 876,222.56/x
  3. Step 3: Cross multiply
    1,555,067.36x = 2,145,983.40 × 876,222.56
  4. Step 4: Simplify right side
    1,555,067.36x = 1,880,359,068,465.50
  5. Step 5: Solve for x
    x = 1,880,359,068,465.50/1,555,067.36
  6. Step 6: Final answer
    x = 1,209,181.75

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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.