Home / 1,560,911.40-2,340,200.70-851,740.20

Finding the Fourth Proportional to 1,560,911.40, 2,340,200.70 and 851,740.20

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Solution

The fourth proportional to 1,560,911.40, 2,340,200.70 and 851,740.20 is: 1,276,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,911.40 : 2,340,200.70 = 851,740.20 : x
  2. Step 2: Convert to fraction form
    1,560,911.40/2,340,200.70 = 851,740.20/x
  3. Step 3: Cross multiply
    1,560,911.40x = 2,340,200.70 × 851,740.20
  4. Step 4: Simplify right side
    1,560,911.40x = 1,993,243,012,258.14
  5. Step 5: Solve for x
    x = 1,993,243,012,258.14/1,560,911.40
  6. Step 6: Final answer
    x = 1,276,973.83

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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.