Home / 1,280,314.26-1,920,757.14-481,602.42

Finding the Fourth Proportional to 1,280,314.26, 1,920,757.14 and 481,602.42

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Solution

The fourth proportional to 1,280,314.26, 1,920,757.14 and 481,602.42 is: 722,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,314.26 : 1,920,757.14 = 481,602.42 : x
  2. Step 2: Convert to fraction form
    1,280,314.26/1,920,757.14 = 481,602.42/x
  3. Step 3: Cross multiply
    1,280,314.26x = 1,920,757.14 × 481,602.42
  4. Step 4: Simplify right side
    1,280,314.26x = 925,041,286,856.28
  5. Step 5: Solve for x
    x = 925,041,286,856.28/1,280,314.26
  6. Step 6: Final answer
    x = 722,511.12

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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.