Home / 1,683,611.91-2,324,149.29-1,072,602.57

Finding the Fourth Proportional to 1,683,611.91, 2,324,149.29 and 1,072,602.57

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Solution

The fourth proportional to 1,683,611.91, 2,324,149.29 and 1,072,602.57 is: 1,480,678.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,611.91 : 2,324,149.29 = 1,072,602.57 : x
  2. Step 2: Convert to fraction form
    1,683,611.91/2,324,149.29 = 1,072,602.57/x
  3. Step 3: Cross multiply
    1,683,611.91x = 2,324,149.29 × 1,072,602.57
  4. Step 4: Simplify right side
    1,683,611.91x = 2,492,888,501,517.68
  5. Step 5: Solve for x
    x = 2,492,888,501,517.68/1,683,611.91
  6. Step 6: Final answer
    x = 1,480,678.82

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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.