Home / 1,306,495.73-1,959,742.70-408,014.47

Finding the Fourth Proportional to 1,306,495.73, 1,959,742.70 and 408,014.47

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Solution

The fourth proportional to 1,306,495.73, 1,959,742.70 and 408,014.47 is: 612,021.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,495.73 : 1,959,742.70 = 408,014.47 : x
  2. Step 2: Convert to fraction form
    1,306,495.73/1,959,742.70 = 408,014.47/x
  3. Step 3: Cross multiply
    1,306,495.73x = 1,959,742.70 × 408,014.47
  4. Step 4: Simplify right side
    1,306,495.73x = 799,603,381,016.53
  5. Step 5: Solve for x
    x = 799,603,381,016.53/1,306,495.73
  6. Step 6: Final answer
    x = 612,021.43

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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.