Home / 1,512,295.20-2,268,442.80-447,254.38

Finding the Fourth Proportional to 1,512,295.20, 2,268,442.80 and 447,254.38

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Solution

The fourth proportional to 1,512,295.20, 2,268,442.80 and 447,254.38 is: 670,881.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,295.20 : 2,268,442.80 = 447,254.38 : x
  2. Step 2: Convert to fraction form
    1,512,295.20/2,268,442.80 = 447,254.38/x
  3. Step 3: Cross multiply
    1,512,295.20x = 2,268,442.80 × 447,254.38
  4. Step 4: Simplify right side
    1,512,295.20x = 1,014,570,978,079.46
  5. Step 5: Solve for x
    x = 1,014,570,978,079.46/1,512,295.20
  6. Step 6: Final answer
    x = 670,881.57

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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.