Home / 1,365,552.92-1,885,218.12-821,822.36

Finding the Fourth Proportional to 1,365,552.92, 1,885,218.12 and 821,822.36

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Solution

The fourth proportional to 1,365,552.92, 1,885,218.12 and 821,822.36 is: 1,134,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,552.92 : 1,885,218.12 = 821,822.36 : x
  2. Step 2: Convert to fraction form
    1,365,552.92/1,885,218.12 = 821,822.36/x
  3. Step 3: Cross multiply
    1,365,552.92x = 1,885,218.12 × 821,822.36
  4. Step 4: Simplify right side
    1,365,552.92x = 1,549,314,395,067.07
  5. Step 5: Solve for x
    x = 1,549,314,395,067.07/1,365,552.92
  6. Step 6: Final answer
    x = 1,134,569.28

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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.