Home / 1,018,765.64-1,527,198.24-344,378

Finding the Fourth Proportional to 1,018,765.64, 1,527,198.24 and 344,378

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Solution

The fourth proportional to 1,018,765.64, 1,527,198.24 and 344,378 is: 516,245.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,765.64 : 1,527,198.24 = 344,378 : x
  2. Step 2: Convert to fraction form
    1,018,765.64/1,527,198.24 = 344,378/x
  3. Step 3: Cross multiply
    1,018,765.64x = 1,527,198.24 × 344,378
  4. Step 4: Simplify right side
    1,018,765.64x = 525,933,475,494.72
  5. Step 5: Solve for x
    x = 525,933,475,494.72/1,018,765.64
  6. Step 6: Final answer
    x = 516,245.79

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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.