Home / 1,311,537.04-1,967,354.17-458,441.80

Finding the Fourth Proportional to 1,311,537.04, 1,967,354.17 and 458,441.80

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Solution

The fourth proportional to 1,311,537.04, 1,967,354.17 and 458,441.80 is: 687,679.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,537.04 : 1,967,354.17 = 458,441.80 : x
  2. Step 2: Convert to fraction form
    1,311,537.04/1,967,354.17 = 458,441.80/x
  3. Step 3: Cross multiply
    1,311,537.04x = 1,967,354.17 × 458,441.80
  4. Step 4: Simplify right side
    1,311,537.04x = 901,917,380,867.82
  5. Step 5: Solve for x
    x = 901,917,380,867.82/1,311,537.04
  6. Step 6: Final answer
    x = 687,679.69

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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.