Home / 1,142,937.72-1,715,193.96-512,556.84

Finding the Fourth Proportional to 1,142,937.72, 1,715,193.96 and 512,556.84

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Solution

The fourth proportional to 1,142,937.72, 1,715,193.96 and 512,556.84 is: 769,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,937.72 : 1,715,193.96 = 512,556.84 : x
  2. Step 2: Convert to fraction form
    1,142,937.72/1,715,193.96 = 512,556.84/x
  3. Step 3: Cross multiply
    1,142,937.72x = 1,715,193.96 × 512,556.84
  4. Step 4: Simplify right side
    1,142,937.72x = 879,134,396,124.69
  5. Step 5: Solve for x
    x = 879,134,396,124.69/1,142,937.72
  6. Step 6: Final answer
    x = 769,188.36

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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.