Home / 1,280,233.30-1,920,635.95-481,521.70

Finding the Fourth Proportional to 1,280,233.30, 1,920,635.95 and 481,521.70

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Solution

The fourth proportional to 1,280,233.30, 1,920,635.95 and 481,521.70 is: 722,390.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,233.30 : 1,920,635.95 = 481,521.70 : x
  2. Step 2: Convert to fraction form
    1,280,233.30/1,920,635.95 = 481,521.70/x
  3. Step 3: Cross multiply
    1,280,233.30x = 1,920,635.95 × 481,521.70
  4. Step 4: Simplify right side
    1,280,233.30x = 924,827,887,725.12
  5. Step 5: Solve for x
    x = 924,827,887,725.12/1,280,233.30
  6. Step 6: Final answer
    x = 722,390.12

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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.