Home / 1,313,432.58-1,970,260.66-414,633.90

Finding the Fourth Proportional to 1,313,432.58, 1,970,260.66 and 414,633.90

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Solution

The fourth proportional to 1,313,432.58, 1,970,260.66 and 414,633.90 is: 621,986.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,432.58 : 1,970,260.66 = 414,633.90 : x
  2. Step 2: Convert to fraction form
    1,313,432.58/1,970,260.66 = 414,633.90/x
  3. Step 3: Cross multiply
    1,313,432.58x = 1,970,260.66 × 414,633.90
  4. Step 4: Simplify right side
    1,313,432.58x = 816,936,861,472.37
  5. Step 5: Solve for x
    x = 816,936,861,472.37/1,313,432.58
  6. Step 6: Final answer
    x = 621,986.14

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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.