Home / 1,260,840.12-1,740,008.16-717,025.56

Finding the Fourth Proportional to 1,260,840.12, 1,740,008.16 and 717,025.56

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Solution

The fourth proportional to 1,260,840.12, 1,740,008.16 and 717,025.56 is: 989,523.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,840.12 : 1,740,008.16 = 717,025.56 : x
  2. Step 2: Convert to fraction form
    1,260,840.12/1,740,008.16 = 717,025.56/x
  3. Step 3: Cross multiply
    1,260,840.12x = 1,740,008.16 × 717,025.56
  4. Step 4: Simplify right side
    1,260,840.12x = 1,247,630,325,328.57
  5. Step 5: Solve for x
    x = 1,247,630,325,328.57/1,260,840.12
  6. Step 6: Final answer
    x = 989,523.02

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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.