Home / 1,111,452.30-1,667,956.05-480,818.70

Finding the Fourth Proportional to 1,111,452.30, 1,667,956.05 and 480,818.70

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Solution

The fourth proportional to 1,111,452.30, 1,667,956.05 and 480,818.70 is: 721,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,452.30 : 1,667,956.05 = 480,818.70 : x
  2. Step 2: Convert to fraction form
    1,111,452.30/1,667,956.05 = 480,818.70/x
  3. Step 3: Cross multiply
    1,111,452.30x = 1,667,956.05 × 480,818.70
  4. Step 4: Simplify right side
    1,111,452.30x = 801,984,459,618.14
  5. Step 5: Solve for x
    x = 801,984,459,618.14/1,111,452.30
  6. Step 6: Final answer
    x = 721,564.44

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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.