Home / 1,255,280.20-1,880,846.70-1,068,656.20

Finding the Fourth Proportional to 1,255,280.20, 1,880,846.70 and 1,068,656.20

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Solution

The fourth proportional to 1,255,280.20, 1,880,846.70 and 1,068,656.20 is: 1,601,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,280.20 : 1,880,846.70 = 1,068,656.20 : x
  2. Step 2: Convert to fraction form
    1,255,280.20/1,880,846.70 = 1,068,656.20/x
  3. Step 3: Cross multiply
    1,255,280.20x = 1,880,846.70 × 1,068,656.20
  4. Step 4: Simplify right side
    1,255,280.20x = 2,009,978,487,204.54
  5. Step 5: Solve for x
    x = 2,009,978,487,204.54/1,255,280.20
  6. Step 6: Final answer
    x = 1,601,218.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.