Home / 1,049,127.20-1,576,801.20-912,269.60

Finding the Fourth Proportional to 1,049,127.20, 1,576,801.20 and 912,269.60

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Solution

The fourth proportional to 1,049,127.20, 1,576,801.20 and 912,269.60 is: 1,371,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,127.20 : 1,576,801.20 = 912,269.60 : x
  2. Step 2: Convert to fraction form
    1,049,127.20/1,576,801.20 = 912,269.60/x
  3. Step 3: Cross multiply
    1,049,127.20x = 1,576,801.20 × 912,269.60
  4. Step 4: Simplify right side
    1,049,127.20x = 1,438,467,800,003.52
  5. Step 5: Solve for x
    x = 1,438,467,800,003.52/1,049,127.20
  6. Step 6: Final answer
    x = 1,371,109.05

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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.