Home / 1,333,151.20-1,999,899.60-659,576.80

Finding the Fourth Proportional to 1,333,151.20, 1,999,899.60 and 659,576.80

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Solution

The fourth proportional to 1,333,151.20, 1,999,899.60 and 659,576.80 is: 989,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,151.20 : 1,999,899.60 = 659,576.80 : x
  2. Step 2: Convert to fraction form
    1,333,151.20/1,999,899.60 = 659,576.80/x
  3. Step 3: Cross multiply
    1,333,151.20x = 1,999,899.60 × 659,576.80
  4. Step 4: Simplify right side
    1,333,151.20x = 1,319,087,378,489.28
  5. Step 5: Solve for x
    x = 1,319,087,378,489.28/1,333,151.20
  6. Step 6: Final answer
    x = 989,450.69

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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.