Home / 1,260,757.38-1,739,810.73-687,797.40

Finding the Fourth Proportional to 1,260,757.38, 1,739,810.73 and 687,797.40

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Solution

The fourth proportional to 1,260,757.38, 1,739,810.73 and 687,797.40 is: 949,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,757.38 : 1,739,810.73 = 687,797.40 : x
  2. Step 2: Convert to fraction form
    1,260,757.38/1,739,810.73 = 687,797.40/x
  3. Step 3: Cross multiply
    1,260,757.38x = 1,739,810.73 × 687,797.40
  4. Step 4: Simplify right side
    1,260,757.38x = 1,196,637,296,586.10
  5. Step 5: Solve for x
    x = 1,196,637,296,586.10/1,260,757.38
  6. Step 6: Final answer
    x = 949,141.62

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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.