Home / 1,087,028.80-1,623,223.40-887,744.80

Finding the Fourth Proportional to 1,087,028.80, 1,623,223.40 and 887,744.80

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Solution

The fourth proportional to 1,087,028.80, 1,623,223.40 and 887,744.80 is: 1,325,639.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,028.80 : 1,623,223.40 = 887,744.80 : x
  2. Step 2: Convert to fraction form
    1,087,028.80/1,623,223.40 = 887,744.80/x
  3. Step 3: Cross multiply
    1,087,028.80x = 1,623,223.40 × 887,744.80
  4. Step 4: Simplify right side
    1,087,028.80x = 1,441,008,132,588.32
  5. Step 5: Solve for x
    x = 1,441,008,132,588.32/1,087,028.80
  6. Step 6: Final answer
    x = 1,325,639.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.