Home / 1,510,508.42-2,265,097.88-800,372.78

Finding the Fourth Proportional to 1,510,508.42, 2,265,097.88 and 800,372.78

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Solution

The fourth proportional to 1,510,508.42, 2,265,097.88 and 800,372.78 is: 1,200,206.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,508.42 : 2,265,097.88 = 800,372.78 : x
  2. Step 2: Convert to fraction form
    1,510,508.42/2,265,097.88 = 800,372.78/x
  3. Step 3: Cross multiply
    1,510,508.42x = 2,265,097.88 × 800,372.78
  4. Step 4: Simplify right side
    1,510,508.42x = 1,812,922,687,187.71
  5. Step 5: Solve for x
    x = 1,812,922,687,187.71/1,510,508.42
  6. Step 6: Final answer
    x = 1,200,206.94

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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.