Home / 940,424.97-1,298,183.77-634,915.20

Finding the Fourth Proportional to 940,424.97, 1,298,183.77 and 634,915.20

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Solution

The fourth proportional to 940,424.97, 1,298,183.77 and 634,915.20 is: 876,451.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,424.97 : 1,298,183.77 = 634,915.20 : x
  2. Step 2: Convert to fraction form
    940,424.97/1,298,183.77 = 634,915.20/x
  3. Step 3: Cross multiply
    940,424.97x = 1,298,183.77 × 634,915.20
  4. Step 4: Simplify right side
    940,424.97x = 824,236,607,966.30
  5. Step 5: Solve for x
    x = 824,236,607,966.30/940,424.97
  6. Step 6: Final answer
    x = 876,451.22

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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.