Home / 1,143,760.34-1,715,652.78-345,048.80

Finding the Fourth Proportional to 1,143,760.34, 1,715,652.78 and 345,048.80

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Solution

The fourth proportional to 1,143,760.34, 1,715,652.78 and 345,048.80 is: 517,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,760.34 : 1,715,652.78 = 345,048.80 : x
  2. Step 2: Convert to fraction form
    1,143,760.34/1,715,652.78 = 345,048.80/x
  3. Step 3: Cross multiply
    1,143,760.34x = 1,715,652.78 × 345,048.80
  4. Step 4: Simplify right side
    1,143,760.34x = 591,983,932,955.66
  5. Step 5: Solve for x
    x = 591,983,932,955.66/1,143,760.34
  6. Step 6: Final answer
    x = 517,576.90

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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.