Home / 1,053,820.20-1,576,064.70-885,858.60

Finding the Fourth Proportional to 1,053,820.20, 1,576,064.70 and 885,858.60

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Solution

The fourth proportional to 1,053,820.20, 1,576,064.70 and 885,858.60 is: 1,324,865.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,820.20 : 1,576,064.70 = 885,858.60 : x
  2. Step 2: Convert to fraction form
    1,053,820.20/1,576,064.70 = 885,858.60/x
  3. Step 3: Cross multiply
    1,053,820.20x = 1,576,064.70 × 885,858.60
  4. Step 4: Simplify right side
    1,053,820.20x = 1,396,170,468,651.42
  5. Step 5: Solve for x
    x = 1,396,170,468,651.42/1,053,820.20
  6. Step 6: Final answer
    x = 1,324,865.92

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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.