Home / 1,361,678.40-2,042,517.60-415,047.60

Finding the Fourth Proportional to 1,361,678.40, 2,042,517.60 and 415,047.60

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Solution

The fourth proportional to 1,361,678.40, 2,042,517.60 and 415,047.60 is: 622,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,678.40 : 2,042,517.60 = 415,047.60 : x
  2. Step 2: Convert to fraction form
    1,361,678.40/2,042,517.60 = 415,047.60/x
  3. Step 3: Cross multiply
    1,361,678.40x = 2,042,517.60 × 415,047.60
  4. Step 4: Simplify right side
    1,361,678.40x = 847,742,027,837.76
  5. Step 5: Solve for x
    x = 847,742,027,837.76/1,361,678.40
  6. Step 6: Final answer
    x = 622,571.40

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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.