Home / 1,490,485.32-2,235,764.70-543,855.87

Finding the Fourth Proportional to 1,490,485.32, 2,235,764.70 and 543,855.87

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Solution

The fourth proportional to 1,490,485.32, 2,235,764.70 and 543,855.87 is: 815,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,485.32 : 2,235,764.70 = 543,855.87 : x
  2. Step 2: Convert to fraction form
    1,490,485.32/2,235,764.70 = 543,855.87/x
  3. Step 3: Cross multiply
    1,490,485.32x = 2,235,764.70 × 543,855.87
  4. Step 4: Simplify right side
    1,490,485.32x = 1,215,933,756,033.79
  5. Step 5: Solve for x
    x = 1,215,933,756,033.79/1,490,485.32
  6. Step 6: Final answer
    x = 815,797.20

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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.