Home / 940,419.28-1,298,175.92-634,909.51

Finding the Fourth Proportional to 940,419.28, 1,298,175.92 and 634,909.51

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Solution

The fourth proportional to 940,419.28, 1,298,175.92 and 634,909.51 is: 876,443.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,419.28 : 1,298,175.92 = 634,909.51 : x
  2. Step 2: Convert to fraction form
    940,419.28/1,298,175.92 = 634,909.51/x
  3. Step 3: Cross multiply
    940,419.28x = 1,298,175.92 × 634,909.51
  4. Step 4: Simplify right side
    940,419.28x = 824,224,238,090.08
  5. Step 5: Solve for x
    x = 824,224,238,090.08/940,419.28
  6. Step 6: Final answer
    x = 876,443.36

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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.