Home / 1,802,985.40-2,488,042.83-987,174.28

Finding the Fourth Proportional to 1,802,985.40, 2,488,042.83 and 987,174.28

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Solution

The fourth proportional to 1,802,985.40, 2,488,042.83 and 987,174.28 is: 1,362,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,985.40 : 2,488,042.83 = 987,174.28 : x
  2. Step 2: Convert to fraction form
    1,802,985.40/2,488,042.83 = 987,174.28/x
  3. Step 3: Cross multiply
    1,802,985.40x = 2,488,042.83 × 987,174.28
  4. Step 4: Simplify right side
    1,802,985.40x = 2,456,131,889,314.41
  5. Step 5: Solve for x
    x = 2,456,131,889,314.41/1,802,985.40
  6. Step 6: Final answer
    x = 1,362,258.34

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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.