Home / 1,371,064.32-1,892,067.57-759,217.05

Finding the Fourth Proportional to 1,371,064.32, 1,892,067.57 and 759,217.05

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Solution

The fourth proportional to 1,371,064.32, 1,892,067.57 and 759,217.05 is: 1,047,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,064.32 : 1,892,067.57 = 759,217.05 : x
  2. Step 2: Convert to fraction form
    1,371,064.32/1,892,067.57 = 759,217.05/x
  3. Step 3: Cross multiply
    1,371,064.32x = 1,892,067.57 × 759,217.05
  4. Step 4: Simplify right side
    1,371,064.32x = 1,436,489,958,896.07
  5. Step 5: Solve for x
    x = 1,436,489,958,896.07/1,371,064.32
  6. Step 6: Final answer
    x = 1,047,718.87

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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.