Home / 1,369,282.38-1,889,150.76-788,493.03

Finding the Fourth Proportional to 1,369,282.38, 1,889,150.76 and 788,493.03

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Solution

The fourth proportional to 1,369,282.38, 1,889,150.76 and 788,493.03 is: 1,087,856.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,282.38 : 1,889,150.76 = 788,493.03 : x
  2. Step 2: Convert to fraction form
    1,369,282.38/1,889,150.76 = 788,493.03/x
  3. Step 3: Cross multiply
    1,369,282.38x = 1,889,150.76 × 788,493.03
  4. Step 4: Simplify right side
    1,369,282.38x = 1,489,582,206,879.20
  5. Step 5: Solve for x
    x = 1,489,582,206,879.20/1,369,282.38
  6. Step 6: Final answer
    x = 1,087,856.11

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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.