Home / 1,299,442.30-1,949,297.11-490,508.06

Finding the Fourth Proportional to 1,299,442.30, 1,949,297.11 and 490,508.06

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Solution

The fourth proportional to 1,299,442.30, 1,949,297.11 and 490,508.06 is: 735,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,442.30 : 1,949,297.11 = 490,508.06 : x
  2. Step 2: Convert to fraction form
    1,299,442.30/1,949,297.11 = 490,508.06/x
  3. Step 3: Cross multiply
    1,299,442.30x = 1,949,297.11 × 490,508.06
  4. Step 4: Simplify right side
    1,299,442.30x = 956,145,932,816.95
  5. Step 5: Solve for x
    x = 956,145,932,816.95/1,299,442.30
  6. Step 6: Final answer
    x = 735,812.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.