Home / 1,366,228.80-2,049,343.20-479,764.80

Finding the Fourth Proportional to 1,366,228.80, 2,049,343.20 and 479,764.80

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Solution

The fourth proportional to 1,366,228.80, 2,049,343.20 and 479,764.80 is: 719,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,228.80 : 2,049,343.20 = 479,764.80 : x
  2. Step 2: Convert to fraction form
    1,366,228.80/2,049,343.20 = 479,764.80/x
  3. Step 3: Cross multiply
    1,366,228.80x = 2,049,343.20 × 479,764.80
  4. Step 4: Simplify right side
    1,366,228.80x = 983,202,730,479.36
  5. Step 5: Solve for x
    x = 983,202,730,479.36/1,366,228.80
  6. Step 6: Final answer
    x = 719,647.20

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1.5x scale

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.