Home / 1,117,651.62-1,676,760.39-318,936

Finding the Fourth Proportional to 1,117,651.62, 1,676,760.39 and 318,936

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Solution

The fourth proportional to 1,117,651.62, 1,676,760.39 and 318,936 is: 478,484.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,651.62 : 1,676,760.39 = 318,936 : x
  2. Step 2: Convert to fraction form
    1,117,651.62/1,676,760.39 = 318,936/x
  3. Step 3: Cross multiply
    1,117,651.62x = 1,676,760.39 × 318,936
  4. Step 4: Simplify right side
    1,117,651.62x = 534,779,251,745.04
  5. Step 5: Solve for x
    x = 534,779,251,745.04/1,117,651.62
  6. Step 6: Final answer
    x = 478,484.75

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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.