Home / 1,279,707.30-1,766,100.51-736,019.10

Finding the Fourth Proportional to 1,279,707.30, 1,766,100.51 and 736,019.10

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Solution

The fourth proportional to 1,279,707.30, 1,766,100.51 and 736,019.10 is: 1,015,766.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,707.30 : 1,766,100.51 = 736,019.10 : x
  2. Step 2: Convert to fraction form
    1,279,707.30/1,766,100.51 = 736,019.10/x
  3. Step 3: Cross multiply
    1,279,707.30x = 1,766,100.51 × 736,019.10
  4. Step 4: Simplify right side
    1,279,707.30x = 1,299,883,707,879.74
  5. Step 5: Solve for x
    x = 1,299,883,707,879.74/1,279,707.30
  6. Step 6: Final answer
    x = 1,015,766.42

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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.