Home / 1,072,968.20-1,609,452.30-899,757.80

Finding the Fourth Proportional to 1,072,968.20, 1,609,452.30 and 899,757.80

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Solution

The fourth proportional to 1,072,968.20, 1,609,452.30 and 899,757.80 is: 1,349,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,968.20 : 1,609,452.30 = 899,757.80 : x
  2. Step 2: Convert to fraction form
    1,072,968.20/1,609,452.30 = 899,757.80/x
  3. Step 3: Cross multiply
    1,072,968.20x = 1,609,452.30 × 899,757.80
  4. Step 4: Simplify right side
    1,072,968.20x = 1,448,117,260,652.94
  5. Step 5: Solve for x
    x = 1,448,117,260,652.94/1,072,968.20
  6. Step 6: Final answer
    x = 1,349,636.70

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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.