Home / 917,450.70-1,373,454.45-681,837.90

Finding the Fourth Proportional to 917,450.70, 1,373,454.45 and 681,837.90

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Solution

The fourth proportional to 917,450.70, 1,373,454.45 and 681,837.90 is: 1,020,734.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,450.70 : 1,373,454.45 = 681,837.90 : x
  2. Step 2: Convert to fraction form
    917,450.70/1,373,454.45 = 681,837.90/x
  3. Step 3: Cross multiply
    917,450.70x = 1,373,454.45 × 681,837.90
  4. Step 4: Simplify right side
    917,450.70x = 936,473,297,933.66
  5. Step 5: Solve for x
    x = 936,473,297,933.66/917,450.70
  6. Step 6: Final answer
    x = 1,020,734.19

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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.