Home / 940,408.44-1,298,160.89-634,898.62

Finding the Fourth Proportional to 940,408.44, 1,298,160.89 and 634,898.62

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Solution

The fourth proportional to 940,408.44, 1,298,160.89 and 634,898.62 is: 876,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,408.44 : 1,298,160.89 = 634,898.62 : x
  2. Step 2: Convert to fraction form
    940,408.44/1,298,160.89 = 634,898.62/x
  3. Step 3: Cross multiply
    940,408.44x = 1,298,160.89 × 634,898.62
  4. Step 4: Simplify right side
    940,408.44x = 824,200,554,697.20
  5. Step 5: Solve for x
    x = 824,200,554,697.20/940,408.44
  6. Step 6: Final answer
    x = 876,428.28

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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.