Home / 1,143,926.20-1,715,900.82-345,214.36

Finding the Fourth Proportional to 1,143,926.20, 1,715,900.82 and 345,214.36

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Solution

The fourth proportional to 1,143,926.20, 1,715,900.82 and 345,214.36 is: 517,825.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,926.20 : 1,715,900.82 = 345,214.36 : x
  2. Step 2: Convert to fraction form
    1,143,926.20/1,715,900.82 = 345,214.36/x
  3. Step 3: Cross multiply
    1,143,926.20x = 1,715,900.82 × 345,214.36
  4. Step 4: Simplify right side
    1,143,926.20x = 592,353,603,399.78
  5. Step 5: Solve for x
    x = 592,353,603,399.78/1,143,926.20
  6. Step 6: Final answer
    x = 517,825.02

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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.