Home / 1,340,999.10-2,009,943.45-541,755.90

Finding the Fourth Proportional to 1,340,999.10, 2,009,943.45 and 541,755.90

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Solution

The fourth proportional to 1,340,999.10, 2,009,943.45 and 541,755.90 is: 812,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,999.10 : 2,009,943.45 = 541,755.90 : x
  2. Step 2: Convert to fraction form
    1,340,999.10/2,009,943.45 = 541,755.90/x
  3. Step 3: Cross multiply
    1,340,999.10x = 2,009,943.45 × 541,755.90
  4. Step 4: Simplify right side
    1,340,999.10x = 1,088,898,722,703.86
  5. Step 5: Solve for x
    x = 1,088,898,722,703.86/1,340,999.10
  6. Step 6: Final answer
    x = 812,005.56

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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.