Home / 1,360,990.66-2,040,113.65-855,912.60

Finding the Fourth Proportional to 1,360,990.66, 2,040,113.65 and 855,912.60

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Solution

The fourth proportional to 1,360,990.66, 2,040,113.65 and 855,912.60 is: 1,283,005.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,990.66 : 2,040,113.65 = 855,912.60 : x
  2. Step 2: Convert to fraction form
    1,360,990.66/2,040,113.65 = 855,912.60/x
  3. Step 3: Cross multiply
    1,360,990.66x = 2,040,113.65 × 855,912.60
  4. Step 4: Simplify right side
    1,360,990.66x = 1,746,158,963,986.86
  5. Step 5: Solve for x
    x = 1,746,158,963,986.86/1,360,990.66
  6. Step 6: Final answer
    x = 1,283,005.84

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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.