Home / 1,218,658.24-1,828,361.04-545,306.40

Finding the Fourth Proportional to 1,218,658.24, 1,828,361.04 and 545,306.40

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Solution

The fourth proportional to 1,218,658.24, 1,828,361.04 and 545,306.40 is: 818,126.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,658.24 : 1,828,361.04 = 545,306.40 : x
  2. Step 2: Convert to fraction form
    1,218,658.24/1,828,361.04 = 545,306.40/x
  3. Step 3: Cross multiply
    1,218,658.24x = 1,828,361.04 × 545,306.40
  4. Step 4: Simplify right side
    1,218,658.24x = 997,016,976,622.66
  5. Step 5: Solve for x
    x = 997,016,976,622.66/1,218,658.24
  6. Step 6: Final answer
    x = 818,126.81

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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.