Home / 940,410.96-1,298,164.35-634,901.13

Finding the Fourth Proportional to 940,410.96, 1,298,164.35 and 634,901.13

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Solution

The fourth proportional to 940,410.96, 1,298,164.35 and 634,901.13 is: 876,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,410.96 : 1,298,164.35 = 634,901.13 : x
  2. Step 2: Convert to fraction form
    940,410.96/1,298,164.35 = 634,901.13/x
  3. Step 3: Cross multiply
    940,410.96x = 1,298,164.35 × 634,901.13
  4. Step 4: Simplify right side
    940,410.96x = 824,206,012,740.72
  5. Step 5: Solve for x
    x = 824,206,012,740.72/940,410.96
  6. Step 6: Final answer
    x = 876,431.74

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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.