Home / 1,243,110.62-1,864,665.94-822,288.08

Finding the Fourth Proportional to 1,243,110.62, 1,864,665.94 and 822,288.08

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Solution

The fourth proportional to 1,243,110.62, 1,864,665.94 and 822,288.08 is: 1,233,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,110.62 : 1,864,665.94 = 822,288.08 : x
  2. Step 2: Convert to fraction form
    1,243,110.62/1,864,665.94 = 822,288.08/x
  3. Step 3: Cross multiply
    1,243,110.62x = 1,864,665.94 × 822,288.08
  4. Step 4: Simplify right side
    1,243,110.62x = 1,533,292,575,644.00
  5. Step 5: Solve for x
    x = 1,533,292,575,644.00/1,243,110.62
  6. Step 6: Final answer
    x = 1,233,432.13

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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.