Home / 940,412.21-1,298,166.09-634,902.39

Finding the Fourth Proportional to 940,412.21, 1,298,166.09 and 634,902.39

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Solution

The fourth proportional to 940,412.21, 1,298,166.09 and 634,902.39 is: 876,433.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,412.21 : 1,298,166.09 = 634,902.39 : x
  2. Step 2: Convert to fraction form
    940,412.21/1,298,166.09 = 634,902.39/x
  3. Step 3: Cross multiply
    940,412.21x = 1,298,166.09 × 634,902.39
  4. Step 4: Simplify right side
    940,412.21x = 824,208,753,157.96
  5. Step 5: Solve for x
    x = 824,208,753,157.96/940,412.21
  6. Step 6: Final answer
    x = 876,433.49

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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.