Home / 1,267,776.73-1,749,528.48-687,015.97

Finding the Fourth Proportional to 1,267,776.73, 1,749,528.48 and 687,015.97

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Solution

The fourth proportional to 1,267,776.73, 1,749,528.48 and 687,015.97 is: 948,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,776.73 : 1,749,528.48 = 687,015.97 : x
  2. Step 2: Convert to fraction form
    1,267,776.73/1,749,528.48 = 687,015.97/x
  3. Step 3: Cross multiply
    1,267,776.73x = 1,749,528.48 × 687,015.97
  4. Step 4: Simplify right side
    1,267,776.73x = 1,201,954,005,729.83
  5. Step 5: Solve for x
    x = 1,201,954,005,729.83/1,267,776.73
  6. Step 6: Final answer
    x = 948,080.19

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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.