Home / 917,234.20-1,373,129.70-681,621.40

Finding the Fourth Proportional to 917,234.20, 1,373,129.70 and 681,621.40

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Solution

The fourth proportional to 917,234.20, 1,373,129.70 and 681,621.40 is: 1,020,409.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,234.20 : 1,373,129.70 = 681,621.40 : x
  2. Step 2: Convert to fraction form
    917,234.20/1,373,129.70 = 681,621.40/x
  3. Step 3: Cross multiply
    917,234.20x = 1,373,129.70 × 681,621.40
  4. Step 4: Simplify right side
    917,234.20x = 935,954,588,495.58
  5. Step 5: Solve for x
    x = 935,954,588,495.58/917,234.20
  6. Step 6: Final answer
    x = 1,020,409.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.