Home / 1,549,361.60-2,324,042.40-427,428.80

Finding the Fourth Proportional to 1,549,361.60, 2,324,042.40 and 427,428.80

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Solution

The fourth proportional to 1,549,361.60, 2,324,042.40 and 427,428.80 is: 641,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,361.60 : 2,324,042.40 = 427,428.80 : x
  2. Step 2: Convert to fraction form
    1,549,361.60/2,324,042.40 = 427,428.80/x
  3. Step 3: Cross multiply
    1,549,361.60x = 2,324,042.40 × 427,428.80
  4. Step 4: Simplify right side
    1,549,361.60x = 993,362,654,181.12
  5. Step 5: Solve for x
    x = 993,362,654,181.12/1,549,361.60
  6. Step 6: Final answer
    x = 641,143.20

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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.