Home / 1,394,114.40-2,088,406.80-831,477.60

Finding the Fourth Proportional to 1,394,114.40, 2,088,406.80 and 831,477.60

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Solution

The fourth proportional to 1,394,114.40, 2,088,406.80 and 831,477.60 is: 1,245,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,114.40 : 2,088,406.80 = 831,477.60 : x
  2. Step 2: Convert to fraction form
    1,394,114.40/2,088,406.80 = 831,477.60/x
  3. Step 3: Cross multiply
    1,394,114.40x = 2,088,406.80 × 831,477.60
  4. Step 4: Simplify right side
    1,394,114.40x = 1,736,463,473,887.68
  5. Step 5: Solve for x
    x = 1,736,463,473,887.68/1,394,114.40
  6. Step 6: Final answer
    x = 1,245,567.42

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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.