Home / 1,361,387.45-2,042,092.87-388,749.22

Finding the Fourth Proportional to 1,361,387.45, 2,042,092.87 and 388,749.22

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Solution

The fourth proportional to 1,361,387.45, 2,042,092.87 and 388,749.22 is: 583,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,387.45 : 2,042,092.87 = 388,749.22 : x
  2. Step 2: Convert to fraction form
    1,361,387.45/2,042,092.87 = 388,749.22/x
  3. Step 3: Cross multiply
    1,361,387.45x = 2,042,092.87 × 388,749.22
  4. Step 4: Simplify right side
    1,361,387.45x = 793,862,004,302.96
  5. Step 5: Solve for x
    x = 793,862,004,302.96/1,361,387.45
  6. Step 6: Final answer
    x = 583,127.16

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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.