Home / 1,362,067.60-2,039,164.80-830,626.60

Finding the Fourth Proportional to 1,362,067.60, 2,039,164.80 and 830,626.60

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Solution

The fourth proportional to 1,362,067.60, 2,039,164.80 and 830,626.60 is: 1,243,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,067.60 : 2,039,164.80 = 830,626.60 : x
  2. Step 2: Convert to fraction form
    1,362,067.60/2,039,164.80 = 830,626.60/x
  3. Step 3: Cross multiply
    1,362,067.60x = 2,039,164.80 × 830,626.60
  4. Step 4: Simplify right side
    1,362,067.60x = 1,693,784,524,663.68
  5. Step 5: Solve for x
    x = 1,693,784,524,663.68/1,362,067.60
  6. Step 6: Final answer
    x = 1,243,539.25

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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.