Home / 1,520,371.44-2,280,573-621,199.08

Finding the Fourth Proportional to 1,520,371.44, 2,280,573 and 621,199.08

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Solution

The fourth proportional to 1,520,371.44, 2,280,573 and 621,199.08 is: 931,805.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,371.44 : 2,280,573 = 621,199.08 : x
  2. Step 2: Convert to fraction form
    1,520,371.44/2,280,573 = 621,199.08/x
  3. Step 3: Cross multiply
    1,520,371.44x = 2,280,573 × 621,199.08
  4. Step 4: Simplify right side
    1,520,371.44x = 1,416,689,849,472.84
  5. Step 5: Solve for x
    x = 1,416,689,849,472.84/1,520,371.44
  6. Step 6: Final answer
    x = 931,805.09

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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.