Home / 1,187,774.25-1,781,958.45-346,326

Finding the Fourth Proportional to 1,187,774.25, 1,781,958.45 and 346,326

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Solution

The fourth proportional to 1,187,774.25, 1,781,958.45 and 346,326 is: 519,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,774.25 : 1,781,958.45 = 346,326 : x
  2. Step 2: Convert to fraction form
    1,187,774.25/1,781,958.45 = 346,326/x
  3. Step 3: Cross multiply
    1,187,774.25x = 1,781,958.45 × 346,326
  4. Step 4: Simplify right side
    1,187,774.25x = 617,138,542,154.70
  5. Step 5: Solve for x
    x = 617,138,542,154.70/1,187,774.25
  6. Step 6: Final answer
    x = 519,575.62

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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.