Home / 1,560,235.40-2,340,353.10-1,276,800.20

Finding the Fourth Proportional to 1,560,235.40, 2,340,353.10 and 1,276,800.20

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Solution

The fourth proportional to 1,560,235.40, 2,340,353.10 and 1,276,800.20 is: 1,915,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,235.40 : 2,340,353.10 = 1,276,800.20 : x
  2. Step 2: Convert to fraction form
    1,560,235.40/2,340,353.10 = 1,276,800.20/x
  3. Step 3: Cross multiply
    1,560,235.40x = 2,340,353.10 × 1,276,800.20
  4. Step 4: Simplify right side
    1,560,235.40x = 2,988,163,306,150.62
  5. Step 5: Solve for x
    x = 2,988,163,306,150.62/1,560,235.40
  6. Step 6: Final answer
    x = 1,915,200.30

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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.