Home / 1,802,915.42-2,488,023.64-987,119.32

Finding the Fourth Proportional to 1,802,915.42, 2,488,023.64 and 987,119.32

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Solution

The fourth proportional to 1,802,915.42, 2,488,023.64 and 987,119.32 is: 1,362,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,915.42 : 2,488,023.64 = 987,119.32 : x
  2. Step 2: Convert to fraction form
    1,802,915.42/2,488,023.64 = 987,119.32/x
  3. Step 3: Cross multiply
    1,802,915.42x = 2,488,023.64 × 987,119.32
  4. Step 4: Simplify right side
    1,802,915.42x = 2,455,976,196,342.04
  5. Step 5: Solve for x
    x = 2,455,976,196,342.04/1,802,915.42
  6. Step 6: Final answer
    x = 1,362,224.85

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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.