Home / 940,412.29-1,298,166.21-634,902.49

Finding the Fourth Proportional to 940,412.29, 1,298,166.21 and 634,902.49

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Solution

The fourth proportional to 940,412.29, 1,298,166.21 and 634,902.49 is: 876,433.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,412.29 : 1,298,166.21 = 634,902.49 : x
  2. Step 2: Convert to fraction form
    940,412.29/1,298,166.21 = 634,902.49/x
  3. Step 3: Cross multiply
    940,412.29x = 1,298,166.21 × 634,902.49
  4. Step 4: Simplify right side
    940,412.29x = 824,208,959,162.86
  5. Step 5: Solve for x
    x = 824,208,959,162.86/940,412.29
  6. Step 6: Final answer
    x = 876,433.63

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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.