Home / 1,085,513.87-1,497,029.06-677,653.31

Finding the Fourth Proportional to 1,085,513.87, 1,497,029.06 and 677,653.31

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Solution

The fourth proportional to 1,085,513.87, 1,497,029.06 and 677,653.31 is: 934,549.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,513.87 : 1,497,029.06 = 677,653.31 : x
  2. Step 2: Convert to fraction form
    1,085,513.87/1,497,029.06 = 677,653.31/x
  3. Step 3: Cross multiply
    1,085,513.87x = 1,497,029.06 × 677,653.31
  4. Step 4: Simplify right side
    1,085,513.87x = 1,014,466,694,286.92
  5. Step 5: Solve for x
    x = 1,014,466,694,286.92/1,085,513.87
  6. Step 6: Final answer
    x = 934,549.73

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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.