Home / 1,371,999.24-2,048,210.78-1,280,823.66

Finding the Fourth Proportional to 1,371,999.24, 2,048,210.78 and 1,280,823.66

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Solution

The fourth proportional to 1,371,999.24, 2,048,210.78 and 1,280,823.66 is: 1,912,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,999.24 : 2,048,210.78 = 1,280,823.66 : x
  2. Step 2: Convert to fraction form
    1,371,999.24/2,048,210.78 = 1,280,823.66/x
  3. Step 3: Cross multiply
    1,371,999.24x = 2,048,210.78 × 1,280,823.66
  4. Step 4: Simplify right side
    1,371,999.24x = 2,623,396,827,691.05
  5. Step 5: Solve for x
    x = 2,623,396,827,691.05/1,371,999.24
  6. Step 6: Final answer
    x = 1,912,097.87

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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.