Home / 1,320,557.10-1,824,078.27-1,092,037.47

Finding the Fourth Proportional to 1,320,557.10, 1,824,078.27 and 1,092,037.47

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Solution

The fourth proportional to 1,320,557.10, 1,824,078.27 and 1,092,037.47 is: 1,508,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,557.10 : 1,824,078.27 = 1,092,037.47 : x
  2. Step 2: Convert to fraction form
    1,320,557.10/1,824,078.27 = 1,092,037.47/x
  3. Step 3: Cross multiply
    1,320,557.10x = 1,824,078.27 × 1,092,037.47
  4. Step 4: Simplify right side
    1,320,557.10x = 1,991,961,819,052.78
  5. Step 5: Solve for x
    x = 1,991,961,819,052.78/1,320,557.10
  6. Step 6: Final answer
    x = 1,508,425.36

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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.