Home / 1,421,858.88-2,132,357.28-747,576.48

Finding the Fourth Proportional to 1,421,858.88, 2,132,357.28 and 747,576.48

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Solution

The fourth proportional to 1,421,858.88, 2,132,357.28 and 747,576.48 is: 1,121,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,858.88 : 2,132,357.28 = 747,576.48 : x
  2. Step 2: Convert to fraction form
    1,421,858.88/2,132,357.28 = 747,576.48/x
  3. Step 3: Cross multiply
    1,421,858.88x = 2,132,357.28 × 747,576.48
  4. Step 4: Simplify right side
    1,421,858.88x = 1,594,100,149,484.77
  5. Step 5: Solve for x
    x = 1,594,100,149,484.77/1,421,858.88
  6. Step 6: Final answer
    x = 1,121,138.09

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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.