Home / 1,218,748.82-1,828,118.77-365,816.79

Finding the Fourth Proportional to 1,218,748.82, 1,828,118.77 and 365,816.79

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Solution

The fourth proportional to 1,218,748.82, 1,828,118.77 and 365,816.79 is: 548,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,748.82 : 1,828,118.77 = 365,816.79 : x
  2. Step 2: Convert to fraction form
    1,218,748.82/1,828,118.77 = 365,816.79/x
  3. Step 3: Cross multiply
    1,218,748.82x = 1,828,118.77 × 365,816.79
  4. Step 4: Simplify right side
    1,218,748.82x = 668,756,539,265.61
  5. Step 5: Solve for x
    x = 668,756,539,265.61/1,218,748.82
  6. Step 6: Final answer
    x = 548,723.85

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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.