Home / 1,280,227.12-1,920,626.61-481,515.58

Finding the Fourth Proportional to 1,280,227.12, 1,920,626.61 and 481,515.58

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Solution

The fourth proportional to 1,280,227.12, 1,920,626.61 and 481,515.58 is: 722,380.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,227.12 : 1,920,626.61 = 481,515.58 : x
  2. Step 2: Convert to fraction form
    1,280,227.12/1,920,626.61 = 481,515.58/x
  3. Step 3: Cross multiply
    1,280,227.12x = 1,920,626.61 × 481,515.58
  4. Step 4: Simplify right side
    1,280,227.12x = 924,811,636,077.58
  5. Step 5: Solve for x
    x = 924,811,636,077.58/1,280,227.12
  6. Step 6: Final answer
    x = 722,380.91

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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.