Home / 1,389,394.08-2,084,052.24-442,821.60

Finding the Fourth Proportional to 1,389,394.08, 2,084,052.24 and 442,821.60

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Solution

The fourth proportional to 1,389,394.08, 2,084,052.24 and 442,821.60 is: 664,220.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,394.08 : 2,084,052.24 = 442,821.60 : x
  2. Step 2: Convert to fraction form
    1,389,394.08/2,084,052.24 = 442,821.60/x
  3. Step 3: Cross multiply
    1,389,394.08x = 2,084,052.24 × 442,821.60
  4. Step 4: Simplify right side
    1,389,394.08x = 922,863,347,400.38
  5. Step 5: Solve for x
    x = 922,863,347,400.38/1,389,394.08
  6. Step 6: Final answer
    x = 664,220.01

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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.