Home / 1,580,683.76-2,181,396.47-968,718.29

Finding the Fourth Proportional to 1,580,683.76, 2,181,396.47 and 968,718.29

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Solution

The fourth proportional to 1,580,683.76, 2,181,396.47 and 968,718.29 is: 1,336,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,683.76 : 2,181,396.47 = 968,718.29 : x
  2. Step 2: Convert to fraction form
    1,580,683.76/2,181,396.47 = 968,718.29/x
  3. Step 3: Cross multiply
    1,580,683.76x = 2,181,396.47 × 968,718.29
  4. Step 4: Simplify right side
    1,580,683.76x = 2,113,158,647,928.90
  5. Step 5: Solve for x
    x = 2,113,158,647,928.90/1,580,683.76
  6. Step 6: Final answer
    x = 1,336,863.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.