Home / 1,143,754.70-1,715,644.36-345,043.16

Finding the Fourth Proportional to 1,143,754.70, 1,715,644.36 and 345,043.16

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Solution

The fourth proportional to 1,143,754.70, 1,715,644.36 and 345,043.16 is: 517,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,754.70 : 1,715,644.36 = 345,043.16 : x
  2. Step 2: Convert to fraction form
    1,143,754.70/1,715,644.36 = 345,043.16/x
  3. Step 3: Cross multiply
    1,143,754.70x = 1,715,644.36 × 345,043.16
  4. Step 4: Simplify right side
    1,143,754.70x = 591,971,349,697.33
  5. Step 5: Solve for x
    x = 591,971,349,697.33/1,143,754.70
  6. Step 6: Final answer
    x = 517,568.45

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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.