Home / 1,280,226.15-1,920,625.17-481,514.58

Finding the Fourth Proportional to 1,280,226.15, 1,920,625.17 and 481,514.58

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Solution

The fourth proportional to 1,280,226.15, 1,920,625.17 and 481,514.58 is: 722,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,226.15 : 1,920,625.17 = 481,514.58 : x
  2. Step 2: Convert to fraction form
    1,280,226.15/1,920,625.17 = 481,514.58/x
  3. Step 3: Cross multiply
    1,280,226.15x = 1,920,625.17 × 481,514.58
  4. Step 4: Simplify right side
    1,280,226.15x = 924,809,022,069.98
  5. Step 5: Solve for x
    x = 924,809,022,069.98/1,280,226.15
  6. Step 6: Final answer
    x = 722,379.42

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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.