Home / 1,218,622.24-1,828,307.04-545,270.32

Finding the Fourth Proportional to 1,218,622.24, 1,828,307.04 and 545,270.32

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Solution

The fourth proportional to 1,218,622.24, 1,828,307.04 and 545,270.32 is: 818,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,622.24 : 1,828,307.04 = 545,270.32 : x
  2. Step 2: Convert to fraction form
    1,218,622.24/1,828,307.04 = 545,270.32/x
  3. Step 3: Cross multiply
    1,218,622.24x = 1,828,307.04 × 545,270.32
  4. Step 4: Simplify right side
    1,218,622.24x = 996,921,564,759.05
  5. Step 5: Solve for x
    x = 996,921,564,759.05/1,218,622.24
  6. Step 6: Final answer
    x = 818,072.68

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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.