Home / 1,280,226.12-1,920,625.11-481,514.58

Finding the Fourth Proportional to 1,280,226.12, 1,920,625.11 and 481,514.58

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Solution

The fourth proportional to 1,280,226.12, 1,920,625.11 and 481,514.58 is: 722,379.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,226.12 : 1,920,625.11 = 481,514.58 : x
  2. Step 2: Convert to fraction form
    1,280,226.12/1,920,625.11 = 481,514.58/x
  3. Step 3: Cross multiply
    1,280,226.12x = 1,920,625.11 × 481,514.58
  4. Step 4: Simplify right side
    1,280,226.12x = 924,808,993,179.10
  5. Step 5: Solve for x
    x = 924,808,993,179.10/1,280,226.12
  6. Step 6: Final answer
    x = 722,379.41

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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.