Home / 1,354,280.22-2,030,829.71-512,241.48

Finding the Fourth Proportional to 1,354,280.22, 2,030,829.71 and 512,241.48

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Solution

The fourth proportional to 1,354,280.22, 2,030,829.71 and 512,241.48 is: 768,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,280.22 : 2,030,829.71 = 512,241.48 : x
  2. Step 2: Convert to fraction form
    1,354,280.22/2,030,829.71 = 512,241.48/x
  3. Step 3: Cross multiply
    1,354,280.22x = 2,030,829.71 × 512,241.48
  4. Step 4: Simplify right side
    1,354,280.22x = 1,040,275,213,717.16
  5. Step 5: Solve for x
    x = 1,040,275,213,717.16/1,354,280.22
  6. Step 6: Final answer
    x = 768,138.82

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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.