Home / 1,203,880.37-1,661,354.51-660,004.49

Finding the Fourth Proportional to 1,203,880.37, 1,661,354.51 and 660,004.49

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Solution

The fourth proportional to 1,203,880.37, 1,661,354.51 and 660,004.49 is: 910,805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,880.37 : 1,661,354.51 = 660,004.49 : x
  2. Step 2: Convert to fraction form
    1,203,880.37/1,661,354.51 = 660,004.49/x
  3. Step 3: Cross multiply
    1,203,880.37x = 1,661,354.51 × 660,004.49
  4. Step 4: Simplify right side
    1,203,880.37x = 1,096,501,424,474.95
  5. Step 5: Solve for x
    x = 1,096,501,424,474.95/1,203,880.37
  6. Step 6: Final answer
    x = 910,805.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.