Home / 1,370,438.83-1,891,182.68-758,578.47

Finding the Fourth Proportional to 1,370,438.83, 1,891,182.68 and 758,578.47

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Solution

The fourth proportional to 1,370,438.83, 1,891,182.68 and 758,578.47 is: 1,046,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,438.83 : 1,891,182.68 = 758,578.47 : x
  2. Step 2: Convert to fraction form
    1,370,438.83/1,891,182.68 = 758,578.47/x
  3. Step 3: Cross multiply
    1,370,438.83x = 1,891,182.68 × 758,578.47
  4. Step 4: Simplify right side
    1,370,438.83x = 1,434,610,463,884.90
  5. Step 5: Solve for x
    x = 1,434,610,463,884.90/1,370,438.83
  6. Step 6: Final answer
    x = 1,046,825.61

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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.