Home / 1,860,673.88-2,790,506.78-512,515.84

Finding the Fourth Proportional to 1,860,673.88, 2,790,506.78 and 512,515.84

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Solution

The fourth proportional to 1,860,673.88, 2,790,506.78 and 512,515.84 is: 768,634.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860,673.88 : 2,790,506.78 = 512,515.84 : x
  2. Step 2: Convert to fraction form
    1,860,673.88/2,790,506.78 = 512,515.84/x
  3. Step 3: Cross multiply
    1,860,673.88x = 2,790,506.78 × 512,515.84
  4. Step 4: Simplify right side
    1,860,673.88x = 1,430,178,920,682.42
  5. Step 5: Solve for x
    x = 1,430,178,920,682.42/1,860,673.88
  6. Step 6: Final answer
    x = 768,634.92

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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.