Home / 1,218,322.11-1,825,485.66-862,697.73

Finding the Fourth Proportional to 1,218,322.11, 1,825,485.66 and 862,697.73

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Solution

The fourth proportional to 1,218,322.11, 1,825,485.66 and 862,697.73 is: 1,292,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,322.11 : 1,825,485.66 = 862,697.73 : x
  2. Step 2: Convert to fraction form
    1,218,322.11/1,825,485.66 = 862,697.73/x
  3. Step 3: Cross multiply
    1,218,322.11x = 1,825,485.66 × 862,697.73
  4. Step 4: Simplify right side
    1,218,322.11x = 1,574,842,335,029.55
  5. Step 5: Solve for x
    x = 1,574,842,335,029.55/1,218,322.11
  6. Step 6: Final answer
    x = 1,292,632.16

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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.