Home / 1,560,396.28-2,152,738.62-979,280.30

Finding the Fourth Proportional to 1,560,396.28, 2,152,738.62 and 979,280.30

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Solution

The fourth proportional to 1,560,396.28, 2,152,738.62 and 979,280.30 is: 1,351,025.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,396.28 : 2,152,738.62 = 979,280.30 : x
  2. Step 2: Convert to fraction form
    1,560,396.28/2,152,738.62 = 979,280.30/x
  3. Step 3: Cross multiply
    1,560,396.28x = 2,152,738.62 × 979,280.30
  4. Step 4: Simplify right side
    1,560,396.28x = 2,108,134,521,615.19
  5. Step 5: Solve for x
    x = 2,108,134,521,615.19/1,560,396.28
  6. Step 6: Final answer
    x = 1,351,025.09

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1.5x scale

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.