Home / 1,197,791.60-1,797,999.60-749,019.20

Finding the Fourth Proportional to 1,197,791.60, 1,797,999.60 and 749,019.20

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Solution

The fourth proportional to 1,197,791.60, 1,797,999.60 and 749,019.20 is: 1,124,349.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,791.60 : 1,797,999.60 = 749,019.20 : x
  2. Step 2: Convert to fraction form
    1,197,791.60/1,797,999.60 = 749,019.20/x
  3. Step 3: Cross multiply
    1,197,791.60x = 1,797,999.60 × 749,019.20
  4. Step 4: Simplify right side
    1,197,791.60x = 1,346,736,221,992.32
  5. Step 5: Solve for x
    x = 1,346,736,221,992.32/1,197,791.60
  6. Step 6: Final answer
    x = 1,124,349.36

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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.