Home / 1,215,175.22-1,676,944.60-671,299.10

Finding the Fourth Proportional to 1,215,175.22, 1,676,944.60 and 671,299.10

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Solution

The fourth proportional to 1,215,175.22, 1,676,944.60 and 671,299.10 is: 926,394.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,175.22 : 1,676,944.60 = 671,299.10 : x
  2. Step 2: Convert to fraction form
    1,215,175.22/1,676,944.60 = 671,299.10/x
  3. Step 3: Cross multiply
    1,215,175.22x = 1,676,944.60 × 671,299.10
  4. Step 4: Simplify right side
    1,215,175.22x = 1,125,731,400,729.86
  5. Step 5: Solve for x
    x = 1,125,731,400,729.86/1,215,175.22
  6. Step 6: Final answer
    x = 926,394.30

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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.