Home / 1,286,022.60-1,929,034.44-476,685.36

Finding the Fourth Proportional to 1,286,022.60, 1,929,034.44 and 476,685.36

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Solution

The fourth proportional to 1,286,022.60, 1,929,034.44 and 476,685.36 is: 715,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,022.60 : 1,929,034.44 = 476,685.36 : x
  2. Step 2: Convert to fraction form
    1,286,022.60/1,929,034.44 = 476,685.36/x
  3. Step 3: Cross multiply
    1,286,022.60x = 1,929,034.44 × 476,685.36
  4. Step 4: Simplify right side
    1,286,022.60x = 919,542,476,483.80
  5. Step 5: Solve for x
    x = 919,542,476,483.80/1,286,022.60
  6. Step 6: Final answer
    x = 715,028.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.