Home / 1,465,991.10-2,198,403.45-518,874.30

Finding the Fourth Proportional to 1,465,991.10, 2,198,403.45 and 518,874.30

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Solution

The fourth proportional to 1,465,991.10, 2,198,403.45 and 518,874.30 is: 778,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,991.10 : 2,198,403.45 = 518,874.30 : x
  2. Step 2: Convert to fraction form
    1,465,991.10/2,198,403.45 = 518,874.30/x
  3. Step 3: Cross multiply
    1,465,991.10x = 2,198,403.45 × 518,874.30
  4. Step 4: Simplify right side
    1,465,991.10x = 1,140,695,051,236.34
  5. Step 5: Solve for x
    x = 1,140,695,051,236.34/1,465,991.10
  6. Step 6: Final answer
    x = 778,105.03

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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.