Home / 1,786,581.27-2,465,476.78-970,787.44

Finding the Fourth Proportional to 1,786,581.27, 2,465,476.78 and 970,787.44

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Solution

The fourth proportional to 1,786,581.27, 2,465,476.78 and 970,787.44 is: 1,339,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,581.27 : 2,465,476.78 = 970,787.44 : x
  2. Step 2: Convert to fraction form
    1,786,581.27/2,465,476.78 = 970,787.44/x
  3. Step 3: Cross multiply
    1,786,581.27x = 2,465,476.78 × 970,787.44
  4. Step 4: Simplify right side
    1,786,581.27x = 2,393,453,896,841.18
  5. Step 5: Solve for x
    x = 2,393,453,896,841.18/1,786,581.27
  6. Step 6: Final answer
    x = 1,339,683.75

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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.