Home / 1,443,252.06-1,991,720.34-934,839.36

Finding the Fourth Proportional to 1,443,252.06, 1,991,720.34 and 934,839.36

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Solution

The fourth proportional to 1,443,252.06, 1,991,720.34 and 934,839.36 is: 1,290,099.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,252.06 : 1,991,720.34 = 934,839.36 : x
  2. Step 2: Convert to fraction form
    1,443,252.06/1,991,720.34 = 934,839.36/x
  3. Step 3: Cross multiply
    1,443,252.06x = 1,991,720.34 × 934,839.36
  4. Step 4: Simplify right side
    1,443,252.06x = 1,861,938,567,944.58
  5. Step 5: Solve for x
    x = 1,861,938,567,944.58/1,443,252.06
  6. Step 6: Final answer
    x = 1,290,099.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.