Home / 940,408.91-1,298,161.56-634,899.11

Finding the Fourth Proportional to 940,408.91, 1,298,161.56 and 634,899.11

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Solution

The fourth proportional to 940,408.91, 1,298,161.56 and 634,899.11 is: 876,428.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,408.91 : 1,298,161.56 = 634,899.11 : x
  2. Step 2: Convert to fraction form
    940,408.91/1,298,161.56 = 634,899.11/x
  3. Step 3: Cross multiply
    940,408.91x = 1,298,161.56 × 634,899.11
  4. Step 4: Simplify right side
    940,408.91x = 824,201,612,589.40
  5. Step 5: Solve for x
    x = 824,201,612,589.40/940,408.91
  6. Step 6: Final answer
    x = 876,428.97

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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.