Home / 1,371,989.97-2,048,196.96-1,280,814.41

Finding the Fourth Proportional to 1,371,989.97, 2,048,196.96 and 1,280,814.41

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Solution

The fourth proportional to 1,371,989.97, 2,048,196.96 and 1,280,814.41 is: 1,912,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,989.97 : 2,048,196.96 = 1,280,814.41 : x
  2. Step 2: Convert to fraction form
    1,371,989.97/2,048,196.96 = 1,280,814.41/x
  3. Step 3: Cross multiply
    1,371,989.97x = 2,048,196.96 × 1,280,814.41
  4. Step 4: Simplify right side
    1,371,989.97x = 2,623,360,170,645.21
  5. Step 5: Solve for x
    x = 2,623,360,170,645.21/1,371,989.97
  6. Step 6: Final answer
    x = 1,912,084.07

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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.