Home / 1,320,317.56-1,980,157.74-609,662.44

Finding the Fourth Proportional to 1,320,317.56, 1,980,157.74 and 609,662.44

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Solution

The fourth proportional to 1,320,317.56, 1,980,157.74 and 609,662.44 is: 914,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,317.56 : 1,980,157.74 = 609,662.44 : x
  2. Step 2: Convert to fraction form
    1,320,317.56/1,980,157.74 = 609,662.44/x
  3. Step 3: Cross multiply
    1,320,317.56x = 1,980,157.74 × 609,662.44
  4. Step 4: Simplify right side
    1,320,317.56x = 1,207,227,799,353.29
  5. Step 5: Solve for x
    x = 1,207,227,799,353.29/1,320,317.56
  6. Step 6: Final answer
    x = 914,346.55

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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.