Home / 940,420.59-1,298,177.69-634,910.79

Finding the Fourth Proportional to 940,420.59, 1,298,177.69 and 634,910.79

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Solution

The fourth proportional to 940,420.59, 1,298,177.69 and 634,910.79 is: 876,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,420.59 : 1,298,177.69 = 634,910.79 : x
  2. Step 2: Convert to fraction form
    940,420.59/1,298,177.69 = 634,910.79/x
  3. Step 3: Cross multiply
    940,420.59x = 1,298,177.69 × 634,910.79
  4. Step 4: Simplify right side
    940,420.59x = 824,227,022,718.28
  5. Step 5: Solve for x
    x = 824,227,022,718.28/940,420.59
  6. Step 6: Final answer
    x = 876,445.10

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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.