Home / 1,528,621.54-2,109,524.11-840,322.42

Finding the Fourth Proportional to 1,528,621.54, 2,109,524.11 and 840,322.42

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Solution

The fourth proportional to 1,528,621.54, 2,109,524.11 and 840,322.42 is: 1,159,659.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,621.54 : 2,109,524.11 = 840,322.42 : x
  2. Step 2: Convert to fraction form
    1,528,621.54/2,109,524.11 = 840,322.42/x
  3. Step 3: Cross multiply
    1,528,621.54x = 2,109,524.11 × 840,322.42
  4. Step 4: Simplify right side
    1,528,621.54x = 1,772,680,397,788.93
  5. Step 5: Solve for x
    x = 1,772,680,397,788.93/1,528,621.54
  6. Step 6: Final answer
    x = 1,159,659.44

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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.