Home / 1,332,886.96-1,839,378.45-721,038.22

Finding the Fourth Proportional to 1,332,886.96, 1,839,378.45 and 721,038.22

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Solution

The fourth proportional to 1,332,886.96, 1,839,378.45 and 721,038.22 is: 995,029.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,886.96 : 1,839,378.45 = 721,038.22 : x
  2. Step 2: Convert to fraction form
    1,332,886.96/1,839,378.45 = 721,038.22/x
  3. Step 3: Cross multiply
    1,332,886.96x = 1,839,378.45 × 721,038.22
  4. Step 4: Simplify right side
    1,332,886.96x = 1,326,262,163,494.36
  5. Step 5: Solve for x
    x = 1,326,262,163,494.36/1,332,886.96
  6. Step 6: Final answer
    x = 995,029.74

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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.