Home / 917,556.60-1,376,334.90-681,360.60

Finding the Fourth Proportional to 917,556.60, 1,376,334.90 and 681,360.60

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Solution

The fourth proportional to 917,556.60, 1,376,334.90 and 681,360.60 is: 1,022,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,556.60 : 1,376,334.90 = 681,360.60 : x
  2. Step 2: Convert to fraction form
    917,556.60/1,376,334.90 = 681,360.60/x
  3. Step 3: Cross multiply
    917,556.60x = 1,376,334.90 × 681,360.60
  4. Step 4: Simplify right side
    917,556.60x = 937,780,373,264.94
  5. Step 5: Solve for x
    x = 937,780,373,264.94/917,556.60
  6. Step 6: Final answer
    x = 1,022,040.90

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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.