Home / 1,467,390.80-2,198,461.80-1,257,438.80

Finding the Fourth Proportional to 1,467,390.80, 2,198,461.80 and 1,257,438.80

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Solution

The fourth proportional to 1,467,390.80, 2,198,461.80 and 1,257,438.80 is: 1,883,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,390.80 : 2,198,461.80 = 1,257,438.80 : x
  2. Step 2: Convert to fraction form
    1,467,390.80/2,198,461.80 = 1,257,438.80/x
  3. Step 3: Cross multiply
    1,467,390.80x = 2,198,461.80 × 1,257,438.80
  4. Step 4: Simplify right side
    1,467,390.80x = 2,764,431,167,637.84
  5. Step 5: Solve for x
    x = 2,764,431,167,637.84/1,467,390.80
  6. Step 6: Final answer
    x = 1,883,909.30

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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.