Home / 1,403,092.58-2,103,984.59-728,992.66

Finding the Fourth Proportional to 1,403,092.58, 2,103,984.59 and 728,992.66

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Solution

The fourth proportional to 1,403,092.58, 2,103,984.59 and 728,992.66 is: 1,093,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,092.58 : 2,103,984.59 = 728,992.66 : x
  2. Step 2: Convert to fraction form
    1,403,092.58/2,103,984.59 = 728,992.66/x
  3. Step 3: Cross multiply
    1,403,092.58x = 2,103,984.59 × 728,992.66
  4. Step 4: Simplify right side
    1,403,092.58x = 1,533,789,322,863.11
  5. Step 5: Solve for x
    x = 1,533,789,322,863.11/1,403,092.58
  6. Step 6: Final answer
    x = 1,093,149.05

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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.