Home / 1,190,808.24-1,786,270.74-480,747.72

Finding the Fourth Proportional to 1,190,808.24, 1,786,270.74 and 480,747.72

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Solution

The fourth proportional to 1,190,808.24, 1,786,270.74 and 480,747.72 is: 721,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,808.24 : 1,786,270.74 = 480,747.72 : x
  2. Step 2: Convert to fraction form
    1,190,808.24/1,786,270.74 = 480,747.72/x
  3. Step 3: Cross multiply
    1,190,808.24x = 1,786,270.74 × 480,747.72
  4. Step 4: Simplify right side
    1,190,808.24x = 858,745,585,557.71
  5. Step 5: Solve for x
    x = 858,745,585,557.71/1,190,808.24
  6. Step 6: Final answer
    x = 721,145.15

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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.