Home / 1,261,947.96-1,741,464.54-718,071.48

Finding the Fourth Proportional to 1,261,947.96, 1,741,464.54 and 718,071.48

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Solution

The fourth proportional to 1,261,947.96, 1,741,464.54 and 718,071.48 is: 990,925.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,947.96 : 1,741,464.54 = 718,071.48 : x
  2. Step 2: Convert to fraction form
    1,261,947.96/1,741,464.54 = 718,071.48/x
  3. Step 3: Cross multiply
    1,261,947.96x = 1,741,464.54 × 718,071.48
  4. Step 4: Simplify right side
    1,261,947.96x = 1,250,496,019,605.32
  5. Step 5: Solve for x
    x = 1,250,496,019,605.32/1,261,947.96
  6. Step 6: Final answer
    x = 990,925.19

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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.