Home / 1,361,768.36-2,042,652.53-415,130.87

Finding the Fourth Proportional to 1,361,768.36, 2,042,652.53 and 415,130.87

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Solution

The fourth proportional to 1,361,768.36, 2,042,652.53 and 415,130.87 is: 622,696.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,768.36 : 2,042,652.53 = 415,130.87 : x
  2. Step 2: Convert to fraction form
    1,361,768.36/2,042,652.53 = 415,130.87/x
  3. Step 3: Cross multiply
    1,361,768.36x = 2,042,652.53 × 415,130.87
  4. Step 4: Simplify right side
    1,361,768.36x = 847,968,128,031.06
  5. Step 5: Solve for x
    x = 847,968,128,031.06/1,361,768.36
  6. Step 6: Final answer
    x = 622,696.31

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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.