Home / 1,543,040.10-2,314,560.15-644,183.10

Finding the Fourth Proportional to 1,543,040.10, 2,314,560.15 and 644,183.10

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Solution

The fourth proportional to 1,543,040.10, 2,314,560.15 and 644,183.10 is: 966,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,040.10 : 2,314,560.15 = 644,183.10 : x
  2. Step 2: Convert to fraction form
    1,543,040.10/2,314,560.15 = 644,183.10/x
  3. Step 3: Cross multiply
    1,543,040.10x = 2,314,560.15 × 644,183.10
  4. Step 4: Simplify right side
    1,543,040.10x = 1,491,000,532,563.47
  5. Step 5: Solve for x
    x = 1,491,000,532,563.47/1,543,040.10
  6. Step 6: Final answer
    x = 966,274.65

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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.