Home / 1,647,033.90-2,272,801.23-921,759.18

Finding the Fourth Proportional to 1,647,033.90, 2,272,801.23 and 921,759.18

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Solution

The fourth proportional to 1,647,033.90, 2,272,801.23 and 921,759.18 is: 1,271,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,033.90 : 2,272,801.23 = 921,759.18 : x
  2. Step 2: Convert to fraction form
    1,647,033.90/2,272,801.23 = 921,759.18/x
  3. Step 3: Cross multiply
    1,647,033.90x = 2,272,801.23 × 921,759.18
  4. Step 4: Simplify right side
    1,647,033.90x = 2,094,975,398,067.79
  5. Step 5: Solve for x
    x = 2,094,975,398,067.79/1,647,033.90
  6. Step 6: Final answer
    x = 1,271,968.60

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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.