Home / 1,096,989.42-1,513,236.09-638,052.33

Finding the Fourth Proportional to 1,096,989.42, 1,513,236.09 and 638,052.33

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Solution

The fourth proportional to 1,096,989.42, 1,513,236.09 and 638,052.33 is: 880,157.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,989.42 : 1,513,236.09 = 638,052.33 : x
  2. Step 2: Convert to fraction form
    1,096,989.42/1,513,236.09 = 638,052.33/x
  3. Step 3: Cross multiply
    1,096,989.42x = 1,513,236.09 × 638,052.33
  4. Step 4: Simplify right side
    1,096,989.42x = 965,523,813,064.59
  5. Step 5: Solve for x
    x = 965,523,813,064.59/1,096,989.42
  6. Step 6: Final answer
    x = 880,157.82

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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.