Home / 1,245,879.42-1,719,329.70-736,577.34

Finding the Fourth Proportional to 1,245,879.42, 1,719,329.70 and 736,577.34

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Solution

The fourth proportional to 1,245,879.42, 1,719,329.70 and 736,577.34 is: 1,016,486.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,879.42 : 1,719,329.70 = 736,577.34 : x
  2. Step 2: Convert to fraction form
    1,245,879.42/1,719,329.70 = 736,577.34/x
  3. Step 3: Cross multiply
    1,245,879.42x = 1,719,329.70 × 736,577.34
  4. Step 4: Simplify right side
    1,245,879.42x = 1,266,419,297,009.00
  5. Step 5: Solve for x
    x = 1,266,419,297,009.00/1,245,879.42
  6. Step 6: Final answer
    x = 1,016,486.25

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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.