Home / 1,802,955.87-2,487,984.39-987,003.18

Finding the Fourth Proportional to 1,802,955.87, 2,487,984.39 and 987,003.18

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Solution

The fourth proportional to 1,802,955.87, 2,487,984.39 and 987,003.18 is: 1,362,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,955.87 : 2,487,984.39 = 987,003.18 : x
  2. Step 2: Convert to fraction form
    1,802,955.87/2,487,984.39 = 987,003.18/x
  3. Step 3: Cross multiply
    1,802,955.87x = 2,487,984.39 × 987,003.18
  4. Step 4: Simplify right side
    1,802,955.87x = 2,455,648,504,720.36
  5. Step 5: Solve for x
    x = 2,455,648,504,720.36/1,802,955.87
  6. Step 6: Final answer
    x = 1,362,012.54

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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.