Home / 1,280,234.30-1,920,637.45-481,522.70

Finding the Fourth Proportional to 1,280,234.30, 1,920,637.45 and 481,522.70

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Solution

The fourth proportional to 1,280,234.30, 1,920,637.45 and 481,522.70 is: 722,391.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,234.30 : 1,920,637.45 = 481,522.70 : x
  2. Step 2: Convert to fraction form
    1,280,234.30/1,920,637.45 = 481,522.70/x
  3. Step 3: Cross multiply
    1,280,234.30x = 1,920,637.45 × 481,522.70
  4. Step 4: Simplify right side
    1,280,234.30x = 924,830,530,645.12
  5. Step 5: Solve for x
    x = 924,830,530,645.12/1,280,234.30
  6. Step 6: Final answer
    x = 722,391.62

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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.