Home / 1,313,255.01-1,969,942.86-402,372.21

Finding the Fourth Proportional to 1,313,255.01, 1,969,942.86 and 402,372.21

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Solution

The fourth proportional to 1,313,255.01, 1,969,942.86 and 402,372.21 is: 603,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,255.01 : 1,969,942.86 = 402,372.21 : x
  2. Step 2: Convert to fraction form
    1,313,255.01/1,969,942.86 = 402,372.21/x
  3. Step 3: Cross multiply
    1,313,255.01x = 1,969,942.86 × 402,372.21
  4. Step 4: Simplify right side
    1,313,255.01x = 792,650,262,151.92
  5. Step 5: Solve for x
    x = 792,650,262,151.92/1,313,255.01
  6. Step 6: Final answer
    x = 603,576.80

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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.