Home / 1,354,270.53-2,030,815.20-512,231.79

Finding the Fourth Proportional to 1,354,270.53, 2,030,815.20 and 512,231.79

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Solution

The fourth proportional to 1,354,270.53, 2,030,815.20 and 512,231.79 is: 768,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,270.53 : 2,030,815.20 = 512,231.79 : x
  2. Step 2: Convert to fraction form
    1,354,270.53/2,030,815.20 = 512,231.79/x
  3. Step 3: Cross multiply
    1,354,270.53x = 2,030,815.20 × 512,231.79
  4. Step 4: Simplify right side
    1,354,270.53x = 1,040,248,105,055.21
  5. Step 5: Solve for x
    x = 1,040,248,105,055.21/1,354,270.53
  6. Step 6: Final answer
    x = 768,124.30

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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.