Home / 1,192,218.12-1,789,115.04-561,312.36

Finding the Fourth Proportional to 1,192,218.12, 1,789,115.04 and 561,312.36

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Solution

The fourth proportional to 1,192,218.12, 1,789,115.04 and 561,312.36 is: 842,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,218.12 : 1,789,115.04 = 561,312.36 : x
  2. Step 2: Convert to fraction form
    1,192,218.12/1,789,115.04 = 561,312.36/x
  3. Step 3: Cross multiply
    1,192,218.12x = 1,789,115.04 × 561,312.36
  4. Step 4: Simplify right side
    1,192,218.12x = 1,004,252,385,413.89
  5. Step 5: Solve for x
    x = 1,004,252,385,413.89/1,192,218.12
  6. Step 6: Final answer
    x = 842,339.48

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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.