Home / 1,435,686.41-1,981,288.94-791,148.21

Finding the Fourth Proportional to 1,435,686.41, 1,981,288.94 and 791,148.21

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Solution

The fourth proportional to 1,435,686.41, 1,981,288.94 and 791,148.21 is: 1,091,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,686.41 : 1,981,288.94 = 791,148.21 : x
  2. Step 2: Convert to fraction form
    1,435,686.41/1,981,288.94 = 791,148.21/x
  3. Step 3: Cross multiply
    1,435,686.41x = 1,981,288.94 × 791,148.21
  4. Step 4: Simplify right side
    1,435,686.41x = 1,567,493,194,418.06
  5. Step 5: Solve for x
    x = 1,567,493,194,418.06/1,435,686.41
  6. Step 6: Final answer
    x = 1,091,807.51

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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.