Home / 1,218,616.74-1,828,298.79-545,264.82

Finding the Fourth Proportional to 1,218,616.74, 1,828,298.79 and 545,264.82

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Solution

The fourth proportional to 1,218,616.74, 1,828,298.79 and 545,264.82 is: 818,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,616.74 : 1,828,298.79 = 545,264.82 : x
  2. Step 2: Convert to fraction form
    1,218,616.74/1,828,298.79 = 545,264.82/x
  3. Step 3: Cross multiply
    1,218,616.74x = 1,828,298.79 × 545,264.82
  4. Step 4: Simplify right side
    1,218,616.74x = 996,907,010,635.57
  5. Step 5: Solve for x
    x = 996,907,010,635.57/1,218,616.74
  6. Step 6: Final answer
    x = 818,064.43

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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.