Home / 1,560,208.80-2,340,313.20-720,400.80

Finding the Fourth Proportional to 1,560,208.80, 2,340,313.20 and 720,400.80

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Solution

The fourth proportional to 1,560,208.80, 2,340,313.20 and 720,400.80 is: 1,080,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,208.80 : 2,340,313.20 = 720,400.80 : x
  2. Step 2: Convert to fraction form
    1,560,208.80/2,340,313.20 = 720,400.80/x
  3. Step 3: Cross multiply
    1,560,208.80x = 2,340,313.20 × 720,400.80
  4. Step 4: Simplify right side
    1,560,208.80x = 1,685,963,501,530.56
  5. Step 5: Solve for x
    x = 1,685,963,501,530.56/1,560,208.80
  6. Step 6: Final answer
    x = 1,080,601.20

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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.