Home / 1,603,404.20-2,212,697.30-878,297.06

Finding the Fourth Proportional to 1,603,404.20, 2,212,697.30 and 878,297.06

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Solution

The fourth proportional to 1,603,404.20, 2,212,697.30 and 878,297.06 is: 1,212,049.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,404.20 : 2,212,697.30 = 878,297.06 : x
  2. Step 2: Convert to fraction form
    1,603,404.20/2,212,697.30 = 878,297.06/x
  3. Step 3: Cross multiply
    1,603,404.20x = 2,212,697.30 × 878,297.06
  4. Step 4: Simplify right side
    1,603,404.20x = 1,943,405,533,259.94
  5. Step 5: Solve for x
    x = 1,943,405,533,259.94/1,603,404.20
  6. Step 6: Final answer
    x = 1,212,049.67

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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.