Home / 1,320,556.10-1,824,076.89-1,092,036.47

Finding the Fourth Proportional to 1,320,556.10, 1,824,076.89 and 1,092,036.47

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Solution

The fourth proportional to 1,320,556.10, 1,824,076.89 and 1,092,036.47 is: 1,508,423.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,556.10 : 1,824,076.89 = 1,092,036.47 : x
  2. Step 2: Convert to fraction form
    1,320,556.10/1,824,076.89 = 1,092,036.47/x
  3. Step 3: Cross multiply
    1,320,556.10x = 1,824,076.89 × 1,092,036.47
  4. Step 4: Simplify right side
    1,320,556.10x = 1,991,958,497,403.83
  5. Step 5: Solve for x
    x = 1,991,958,497,403.83/1,320,556.10
  6. Step 6: Final answer
    x = 1,508,423.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.