Home / 1,859,211.23-2,787,105.51-722,729.39

Finding the Fourth Proportional to 1,859,211.23, 2,787,105.51 and 722,729.39

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Solution

The fourth proportional to 1,859,211.23, 2,787,105.51 and 722,729.39 is: 1,083,428.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,211.23 : 2,787,105.51 = 722,729.39 : x
  2. Step 2: Convert to fraction form
    1,859,211.23/2,787,105.51 = 722,729.39/x
  3. Step 3: Cross multiply
    1,859,211.23x = 2,787,105.51 × 722,729.39
  4. Step 4: Simplify right side
    1,859,211.23x = 2,014,323,051,172.41
  5. Step 5: Solve for x
    x = 2,014,323,051,172.41/1,859,211.23
  6. Step 6: Final answer
    x = 1,083,428.83

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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.