Home / 1,192,222.12-1,789,121.04-561,316.36

Finding the Fourth Proportional to 1,192,222.12, 1,789,121.04 and 561,316.36

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Solution

The fourth proportional to 1,192,222.12, 1,789,121.04 and 561,316.36 is: 842,345.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,222.12 : 1,789,121.04 = 561,316.36 : x
  2. Step 2: Convert to fraction form
    1,192,222.12/1,789,121.04 = 561,316.36/x
  3. Step 3: Cross multiply
    1,192,222.12x = 1,789,121.04 × 561,316.36
  4. Step 4: Simplify right side
    1,192,222.12x = 1,004,262,909,772.21
  5. Step 5: Solve for x
    x = 1,004,262,909,772.21/1,192,222.12
  6. Step 6: Final answer
    x = 842,345.48

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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.