Home / 1,260,089.92-1,738,966.08-687,161.44

Finding the Fourth Proportional to 1,260,089.92, 1,738,966.08 and 687,161.44

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Solution

The fourth proportional to 1,260,089.92, 1,738,966.08 and 687,161.44 is: 948,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,089.92 : 1,738,966.08 = 687,161.44 : x
  2. Step 2: Convert to fraction form
    1,260,089.92/1,738,966.08 = 687,161.44/x
  3. Step 3: Cross multiply
    1,260,089.92x = 1,738,966.08 × 687,161.44
  4. Step 4: Simplify right side
    1,260,089.92x = 1,194,950,435,643.96
  5. Step 5: Solve for x
    x = 1,194,950,435,643.96/1,260,089.92
  6. Step 6: Final answer
    x = 948,305.69

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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.