Home / 1,647,034.40-2,272,801.92-921,759.68

Finding the Fourth Proportional to 1,647,034.40, 2,272,801.92 and 921,759.68

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Solution

The fourth proportional to 1,647,034.40, 2,272,801.92 and 921,759.68 is: 1,271,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647,034.40 : 2,272,801.92 = 921,759.68 : x
  2. Step 2: Convert to fraction form
    1,647,034.40/2,272,801.92 = 921,759.68/x
  3. Step 3: Cross multiply
    1,647,034.40x = 2,272,801.92 × 921,759.68
  4. Step 4: Simplify right side
    1,647,034.40x = 2,094,977,170,482.59
  5. Step 5: Solve for x
    x = 2,094,977,170,482.59/1,647,034.40
  6. Step 6: Final answer
    x = 1,271,969.29

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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.