Home / 1,347,129.52-2,018,944.68-547,480.52

Finding the Fourth Proportional to 1,347,129.52, 2,018,944.68 and 547,480.52

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Solution

The fourth proportional to 1,347,129.52, 2,018,944.68 and 547,480.52 is: 820,509.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,129.52 : 2,018,944.68 = 547,480.52 : x
  2. Step 2: Convert to fraction form
    1,347,129.52/2,018,944.68 = 547,480.52/x
  3. Step 3: Cross multiply
    1,347,129.52x = 2,018,944.68 × 547,480.52
  4. Step 4: Simplify right side
    1,347,129.52x = 1,105,332,883,257.63
  5. Step 5: Solve for x
    x = 1,105,332,883,257.63/1,347,129.52
  6. Step 6: Final answer
    x = 820,509.73

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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.