Home / 1,644,537.60-2,269,555.20-929,145.60

Finding the Fourth Proportional to 1,644,537.60, 2,269,555.20 and 929,145.60

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Solution

The fourth proportional to 1,644,537.60, 2,269,555.20 and 929,145.60 is: 1,282,273.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,537.60 : 2,269,555.20 = 929,145.60 : x
  2. Step 2: Convert to fraction form
    1,644,537.60/2,269,555.20 = 929,145.60/x
  3. Step 3: Cross multiply
    1,644,537.60x = 2,269,555.20 × 929,145.60
  4. Step 4: Simplify right side
    1,644,537.60x = 2,108,747,228,037.12
  5. Step 5: Solve for x
    x = 2,108,747,228,037.12/1,644,537.60
  6. Step 6: Final answer
    x = 1,282,273.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.