Home / 1,269,539.23-1,751,964.15-725,686.81

Finding the Fourth Proportional to 1,269,539.23, 1,751,964.15 and 725,686.81

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Solution

The fourth proportional to 1,269,539.23, 1,751,964.15 and 725,686.81 is: 1,001,447.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,539.23 : 1,751,964.15 = 725,686.81 : x
  2. Step 2: Convert to fraction form
    1,269,539.23/1,751,964.15 = 725,686.81/x
  3. Step 3: Cross multiply
    1,269,539.23x = 1,751,964.15 × 725,686.81
  4. Step 4: Simplify right side
    1,269,539.23x = 1,271,377,275,247.86
  5. Step 5: Solve for x
    x = 1,271,377,275,247.86/1,269,539.23
  6. Step 6: Final answer
    x = 1,001,447.81

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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.