Home / 1,861,286.40-2,791,936.08-739,352.16

Finding the Fourth Proportional to 1,861,286.40, 2,791,936.08 and 739,352.16

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Solution

The fourth proportional to 1,861,286.40, 2,791,936.08 and 739,352.16 is: 1,109,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,286.40 : 2,791,936.08 = 739,352.16 : x
  2. Step 2: Convert to fraction form
    1,861,286.40/2,791,936.08 = 739,352.16/x
  3. Step 3: Cross multiply
    1,861,286.40x = 2,791,936.08 × 739,352.16
  4. Step 4: Simplify right side
    1,861,286.40x = 2,064,223,971,329.93
  5. Step 5: Solve for x
    x = 2,064,223,971,329.93/1,861,286.40
  6. Step 6: Final answer
    x = 1,109,030.81

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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.