Home / 1,371,579.78-1,892,760.11-759,730.54

Finding the Fourth Proportional to 1,371,579.78, 1,892,760.11 and 759,730.54

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Solution

The fourth proportional to 1,371,579.78, 1,892,760.11 and 759,730.54 is: 1,048,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,579.78 : 1,892,760.11 = 759,730.54 : x
  2. Step 2: Convert to fraction form
    1,371,579.78/1,892,760.11 = 759,730.54/x
  3. Step 3: Cross multiply
    1,371,579.78x = 1,892,760.11 × 759,730.54
  4. Step 4: Simplify right side
    1,371,579.78x = 1,437,987,658,328.12
  5. Step 5: Solve for x
    x = 1,437,987,658,328.12/1,371,579.78
  6. Step 6: Final answer
    x = 1,048,417.07

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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.