Home / 1,431,175.72-1,976,754.66-1,043,377

Finding the Fourth Proportional to 1,431,175.72, 1,976,754.66 and 1,043,377

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Solution

The fourth proportional to 1,431,175.72, 1,976,754.66 and 1,043,377 is: 1,441,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,175.72 : 1,976,754.66 = 1,043,377 : x
  2. Step 2: Convert to fraction form
    1,431,175.72/1,976,754.66 = 1,043,377/x
  3. Step 3: Cross multiply
    1,431,175.72x = 1,976,754.66 × 1,043,377
  4. Step 4: Simplify right side
    1,431,175.72x = 2,062,500,346,886.82
  5. Step 5: Solve for x
    x = 2,062,500,346,886.82/1,431,175.72
  6. Step 6: Final answer
    x = 1,441,123.07

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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.