Home / 1,557,266.64-2,149,079.40-903,843.72

Finding the Fourth Proportional to 1,557,266.64, 2,149,079.40 and 903,843.72

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Solution

The fourth proportional to 1,557,266.64, 2,149,079.40 and 903,843.72 is: 1,247,334.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,266.64 : 2,149,079.40 = 903,843.72 : x
  2. Step 2: Convert to fraction form
    1,557,266.64/2,149,079.40 = 903,843.72/x
  3. Step 3: Cross multiply
    1,557,266.64x = 2,149,079.40 × 903,843.72
  4. Step 4: Simplify right side
    1,557,266.64x = 1,942,431,919,471.37
  5. Step 5: Solve for x
    x = 1,942,431,919,471.37/1,557,266.64
  6. Step 6: Final answer
    x = 1,247,334.19

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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.