Home / 1,260,882.80-1,740,015.72-687,923.44

Finding the Fourth Proportional to 1,260,882.80, 1,740,015.72 and 687,923.44

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Solution

The fourth proportional to 1,260,882.80, 1,740,015.72 and 687,923.44 is: 949,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,882.80 : 1,740,015.72 = 687,923.44 : x
  2. Step 2: Convert to fraction form
    1,260,882.80/1,740,015.72 = 687,923.44/x
  3. Step 3: Cross multiply
    1,260,882.80x = 1,740,015.72 × 687,923.44
  4. Step 4: Simplify right side
    1,260,882.80x = 1,196,997,599,756.48
  5. Step 5: Solve for x
    x = 1,196,997,599,756.48/1,260,882.80
  6. Step 6: Final answer
    x = 949,332.96

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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.