Home / 1,521,139.41-2,099,197.26-832,799.79

Finding the Fourth Proportional to 1,521,139.41, 2,099,197.26 and 832,799.79

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Solution

The fourth proportional to 1,521,139.41, 2,099,197.26 and 832,799.79 is: 1,149,277.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,139.41 : 2,099,197.26 = 832,799.79 : x
  2. Step 2: Convert to fraction form
    1,521,139.41/2,099,197.26 = 832,799.79/x
  3. Step 3: Cross multiply
    1,521,139.41x = 2,099,197.26 × 832,799.79
  4. Step 4: Simplify right side
    1,521,139.41x = 1,748,211,037,296.58
  5. Step 5: Solve for x
    x = 1,748,211,037,296.58/1,521,139.41
  6. Step 6: Final answer
    x = 1,149,277.33

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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.