Home / 1,682,871.42-2,322,362.34-918,925.68

Finding the Fourth Proportional to 1,682,871.42, 2,322,362.34 and 918,925.68

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Solution

The fourth proportional to 1,682,871.42, 2,322,362.34 and 918,925.68 is: 1,268,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,871.42 : 2,322,362.34 = 918,925.68 : x
  2. Step 2: Convert to fraction form
    1,682,871.42/2,322,362.34 = 918,925.68/x
  3. Step 3: Cross multiply
    1,682,871.42x = 2,322,362.34 × 918,925.68
  4. Step 4: Simplify right side
    1,682,871.42x = 2,134,078,392,490.89
  5. Step 5: Solve for x
    x = 2,134,078,392,490.89/1,682,871.42
  6. Step 6: Final answer
    x = 1,268,117.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.