Home / 1,491,160.52-2,057,859.78-846,640.69

Finding the Fourth Proportional to 1,491,160.52, 2,057,859.78 and 846,640.69

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Solution

The fourth proportional to 1,491,160.52, 2,057,859.78 and 846,640.69 is: 1,168,397.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,160.52 : 2,057,859.78 = 846,640.69 : x
  2. Step 2: Convert to fraction form
    1,491,160.52/2,057,859.78 = 846,640.69/x
  3. Step 3: Cross multiply
    1,491,160.52x = 2,057,859.78 × 846,640.69
  4. Step 4: Simplify right side
    1,491,160.52x = 1,742,267,815,742.90
  5. Step 5: Solve for x
    x = 1,742,267,815,742.90/1,491,160.52
  6. Step 6: Final answer
    x = 1,168,397.22

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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.