Home / 1,427,777.75-2,140,977.72-828,889.67

Finding the Fourth Proportional to 1,427,777.75, 2,140,977.72 and 828,889.67

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Solution

The fourth proportional to 1,427,777.75, 2,140,977.72 and 828,889.67 is: 1,242,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,777.75 : 2,140,977.72 = 828,889.67 : x
  2. Step 2: Convert to fraction form
    1,427,777.75/2,140,977.72 = 828,889.67/x
  3. Step 3: Cross multiply
    1,427,777.75x = 2,140,977.72 × 828,889.67
  4. Step 4: Simplify right side
    1,427,777.75x = 1,774,634,305,103.26
  5. Step 5: Solve for x
    x = 1,774,634,305,103.26/1,427,777.75
  6. Step 6: Final answer
    x = 1,242,934.56

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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.