Home / 1,305,665.88-1,958,509.74-359,088.52

Finding the Fourth Proportional to 1,305,665.88, 1,958,509.74 and 359,088.52

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Solution

The fourth proportional to 1,305,665.88, 1,958,509.74 and 359,088.52 is: 538,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,665.88 : 1,958,509.74 = 359,088.52 : x
  2. Step 2: Convert to fraction form
    1,305,665.88/1,958,509.74 = 359,088.52/x
  3. Step 3: Cross multiply
    1,305,665.88x = 1,958,509.74 × 359,088.52
  4. Step 4: Simplify right side
    1,305,665.88x = 703,278,363,942.19
  5. Step 5: Solve for x
    x = 703,278,363,942.19/1,305,665.88
  6. Step 6: Final answer
    x = 538,635.78

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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.