Home / 1,399,043.70-2,094,221.48-757,754.69

Finding the Fourth Proportional to 1,399,043.70, 2,094,221.48 and 757,754.69

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Solution

The fourth proportional to 1,399,043.70, 2,094,221.48 and 757,754.69 is: 1,134,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,043.70 : 2,094,221.48 = 757,754.69 : x
  2. Step 2: Convert to fraction form
    1,399,043.70/2,094,221.48 = 757,754.69/x
  3. Step 3: Cross multiply
    1,399,043.70x = 2,094,221.48 × 757,754.69
  4. Step 4: Simplify right side
    1,399,043.70x = 1,586,906,134,108.86
  5. Step 5: Solve for x
    x = 1,586,906,134,108.86/1,399,043.70
  6. Step 6: Final answer
    x = 1,134,279.18

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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.