Home / 1,256,732.46-1,870,885.58-1,249,260.21

Finding the Fourth Proportional to 1,256,732.46, 1,870,885.58 and 1,249,260.21

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Solution

The fourth proportional to 1,256,732.46, 1,870,885.58 and 1,249,260.21 is: 1,859,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,732.46 : 1,870,885.58 = 1,249,260.21 : x
  2. Step 2: Convert to fraction form
    1,256,732.46/1,870,885.58 = 1,249,260.21/x
  3. Step 3: Cross multiply
    1,256,732.46x = 1,870,885.58 × 1,249,260.21
  4. Step 4: Simplify right side
    1,256,732.46x = 2,337,222,906,310.47
  5. Step 5: Solve for x
    x = 2,337,222,906,310.47/1,256,732.46
  6. Step 6: Final answer
    x = 1,859,761.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.