Home / 1,067,377.51-1,472,952.73-631,817.32

Finding the Fourth Proportional to 1,067,377.51, 1,472,952.73 and 631,817.32

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Solution

The fourth proportional to 1,067,377.51, 1,472,952.73 and 631,817.32 is: 871,891.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,377.51 : 1,472,952.73 = 631,817.32 : x
  2. Step 2: Convert to fraction form
    1,067,377.51/1,472,952.73 = 631,817.32/x
  3. Step 3: Cross multiply
    1,067,377.51x = 1,472,952.73 × 631,817.32
  4. Step 4: Simplify right side
    1,067,377.51x = 930,637,048,458.12
  5. Step 5: Solve for x
    x = 930,637,048,458.12/1,067,377.51
  6. Step 6: Final answer
    x = 871,891.19

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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.