Home / 1,275,057.32-1,911,383.73-634,755.96

Finding the Fourth Proportional to 1,275,057.32, 1,911,383.73 and 634,755.96

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Solution

The fourth proportional to 1,275,057.32, 1,911,383.73 and 634,755.96 is: 951,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,057.32 : 1,911,383.73 = 634,755.96 : x
  2. Step 2: Convert to fraction form
    1,275,057.32/1,911,383.73 = 634,755.96/x
  3. Step 3: Cross multiply
    1,275,057.32x = 1,911,383.73 × 634,755.96
  4. Step 4: Simplify right side
    1,275,057.32x = 1,213,262,214,464.53
  5. Step 5: Solve for x
    x = 1,213,262,214,464.53/1,275,057.32
  6. Step 6: Final answer
    x = 951,535.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.