Home / 1,307,214.32-1,961,136.71-454,161.81

Finding the Fourth Proportional to 1,307,214.32, 1,961,136.71 and 454,161.81

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Solution

The fourth proportional to 1,307,214.32, 1,961,136.71 and 454,161.81 is: 681,352.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,214.32 : 1,961,136.71 = 454,161.81 : x
  2. Step 2: Convert to fraction form
    1,307,214.32/1,961,136.71 = 454,161.81/x
  3. Step 3: Cross multiply
    1,307,214.32x = 1,961,136.71 × 454,161.81
  4. Step 4: Simplify right side
    1,307,214.32x = 890,673,397,871.05
  5. Step 5: Solve for x
    x = 890,673,397,871.05/1,307,214.32
  6. Step 6: Final answer
    x = 681,352.23

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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.