Home / 1,381,163.76-2,071,745.64-1,303,196.40

Finding the Fourth Proportional to 1,381,163.76, 2,071,745.64 and 1,303,196.40

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Solution

The fourth proportional to 1,381,163.76, 2,071,745.64 and 1,303,196.40 is: 1,954,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,163.76 : 2,071,745.64 = 1,303,196.40 : x
  2. Step 2: Convert to fraction form
    1,381,163.76/2,071,745.64 = 1,303,196.40/x
  3. Step 3: Cross multiply
    1,381,163.76x = 2,071,745.64 × 1,303,196.40
  4. Step 4: Simplify right side
    1,381,163.76x = 2,699,891,459,763.70
  5. Step 5: Solve for x
    x = 2,699,891,459,763.70/1,381,163.76
  6. Step 6: Final answer
    x = 1,954,794.60

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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.