Home / 1,120,608.17-1,672,172.16-999,834.90

Finding the Fourth Proportional to 1,120,608.17, 1,672,172.16 and 999,834.90

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Solution

The fourth proportional to 1,120,608.17, 1,672,172.16 and 999,834.90 is: 1,491,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,608.17 : 1,672,172.16 = 999,834.90 : x
  2. Step 2: Convert to fraction form
    1,120,608.17/1,672,172.16 = 999,834.90/x
  3. Step 3: Cross multiply
    1,120,608.17x = 1,672,172.16 × 999,834.90
  4. Step 4: Simplify right side
    1,120,608.17x = 1,671,896,079,377.21
  5. Step 5: Solve for x
    x = 1,671,896,079,377.21/1,120,608.17
  6. Step 6: Final answer
    x = 1,491,954.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.