Home / 940,408.65-1,298,161.22-634,898.85

Finding the Fourth Proportional to 940,408.65, 1,298,161.22 and 634,898.85

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Solution

The fourth proportional to 940,408.65, 1,298,161.22 and 634,898.85 is: 876,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,408.65 : 1,298,161.22 = 634,898.85 : x
  2. Step 2: Convert to fraction form
    940,408.65/1,298,161.22 = 634,898.85/x
  3. Step 3: Cross multiply
    940,408.65x = 1,298,161.22 × 634,898.85
  4. Step 4: Simplify right side
    940,408.65x = 824,201,062,518.10
  5. Step 5: Solve for x
    x = 824,201,062,518.10/940,408.65
  6. Step 6: Final answer
    x = 876,428.63

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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.