Home / 1,218,630.24-1,828,319.04-545,278.32

Finding the Fourth Proportional to 1,218,630.24, 1,828,319.04 and 545,278.32

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Solution

The fourth proportional to 1,218,630.24, 1,828,319.04 and 545,278.32 is: 818,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,630.24 : 1,828,319.04 = 545,278.32 : x
  2. Step 2: Convert to fraction form
    1,218,630.24/1,828,319.04 = 545,278.32/x
  3. Step 3: Cross multiply
    1,218,630.24x = 1,828,319.04 × 545,278.32
  4. Step 4: Simplify right side
    1,218,630.24x = 996,942,734,555.21
  5. Step 5: Solve for x
    x = 996,942,734,555.21/1,218,630.24
  6. Step 6: Final answer
    x = 818,084.68

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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.