Home / 1,860,463.11-2,790,195.03-512,304.78

Finding the Fourth Proportional to 1,860,463.11, 2,790,195.03 and 512,304.78

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Solution

The fourth proportional to 1,860,463.11, 2,790,195.03 and 512,304.78 is: 768,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,463.11 : 2,790,195.03 = 512,304.78 : x
  2. Step 2: Convert to fraction form
    1,860,463.11/2,790,195.03 = 512,304.78/x
  3. Step 3: Cross multiply
    1,860,463.11x = 2,790,195.03 × 512,304.78
  4. Step 4: Simplify right side
    1,860,463.11x = 1,429,430,251,001.24
  5. Step 5: Solve for x
    x = 1,429,430,251,001.24/1,860,463.11
  6. Step 6: Final answer
    x = 768,319.59

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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.