Home / 1,284,330.88-1,926,876.48-442,967.68

Finding the Fourth Proportional to 1,284,330.88, 1,926,876.48 and 442,967.68

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Solution

The fourth proportional to 1,284,330.88, 1,926,876.48 and 442,967.68 is: 664,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,330.88 : 1,926,876.48 = 442,967.68 : x
  2. Step 2: Convert to fraction form
    1,284,330.88/1,926,876.48 = 442,967.68/x
  3. Step 3: Cross multiply
    1,284,330.88x = 1,926,876.48 × 442,967.68
  4. Step 4: Simplify right side
    1,284,330.88x = 853,544,003,992.17
  5. Step 5: Solve for x
    x = 853,544,003,992.17/1,284,330.88
  6. Step 6: Final answer
    x = 664,582.64

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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.