Home / 1,375,943.40-1,899,701.19-893,882.43

Finding the Fourth Proportional to 1,375,943.40, 1,899,701.19 and 893,882.43

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Solution

The fourth proportional to 1,375,943.40, 1,899,701.19 and 893,882.43 is: 1,234,141.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,943.40 : 1,899,701.19 = 893,882.43 : x
  2. Step 2: Convert to fraction form
    1,375,943.40/1,899,701.19 = 893,882.43/x
  3. Step 3: Cross multiply
    1,375,943.40x = 1,899,701.19 × 893,882.43
  4. Step 4: Simplify right side
    1,375,943.40x = 1,698,109,515,991.09
  5. Step 5: Solve for x
    x = 1,698,109,515,991.09/1,375,943.40
  6. Step 6: Final answer
    x = 1,234,141.98

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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.