Home / 1,432,107.69-1,976,257.49-787,522.25

Finding the Fourth Proportional to 1,432,107.69, 1,976,257.49 and 787,522.25

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Solution

The fourth proportional to 1,432,107.69, 1,976,257.49 and 787,522.25 is: 1,086,752.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,107.69 : 1,976,257.49 = 787,522.25 : x
  2. Step 2: Convert to fraction form
    1,432,107.69/1,976,257.49 = 787,522.25/x
  3. Step 3: Cross multiply
    1,432,107.69x = 1,976,257.49 × 787,522.25
  4. Step 4: Simplify right side
    1,432,107.69x = 1,556,346,731,285.25
  5. Step 5: Solve for x
    x = 1,556,346,731,285.25/1,432,107.69
  6. Step 6: Final answer
    x = 1,086,752.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.