Home / 1,258,846.20-1,737,216.18-685,884.60

Finding the Fourth Proportional to 1,258,846.20, 1,737,216.18 and 685,884.60

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Solution

The fourth proportional to 1,258,846.20, 1,737,216.18 and 685,884.60 is: 946,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,846.20 : 1,737,216.18 = 685,884.60 : x
  2. Step 2: Convert to fraction form
    1,258,846.20/1,737,216.18 = 685,884.60/x
  3. Step 3: Cross multiply
    1,258,846.20x = 1,737,216.18 × 685,884.60
  4. Step 4: Simplify right side
    1,258,846.20x = 1,191,529,824,732.83
  5. Step 5: Solve for x
    x = 1,191,529,824,732.83/1,258,846.20
  6. Step 6: Final answer
    x = 946,525.34

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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.