Home / 1,787,739.54-2,467,028.64-1,013,442.20

Finding the Fourth Proportional to 1,787,739.54, 2,467,028.64 and 1,013,442.20

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Solution

The fourth proportional to 1,787,739.54, 2,467,028.64 and 1,013,442.20 is: 1,398,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,739.54 : 2,467,028.64 = 1,013,442.20 : x
  2. Step 2: Convert to fraction form
    1,787,739.54/2,467,028.64 = 1,013,442.20/x
  3. Step 3: Cross multiply
    1,787,739.54x = 2,467,028.64 × 1,013,442.20
  4. Step 4: Simplify right side
    1,787,739.54x = 2,500,190,932,384.61
  5. Step 5: Solve for x
    x = 2,500,190,932,384.61/1,787,739.54
  6. Step 6: Final answer
    x = 1,398,520.80

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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.