Home / 917,629.20-1,373,722.20-682,016.40

Finding the Fourth Proportional to 917,629.20, 1,373,722.20 and 682,016.40

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Solution

The fourth proportional to 917,629.20, 1,373,722.20 and 682,016.40 is: 1,021,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,629.20 : 1,373,722.20 = 682,016.40 : x
  2. Step 2: Convert to fraction form
    917,629.20/1,373,722.20 = 682,016.40/x
  3. Step 3: Cross multiply
    917,629.20x = 1,373,722.20 × 682,016.40
  4. Step 4: Simplify right side
    917,629.20x = 936,901,069,444.08
  5. Step 5: Solve for x
    x = 936,901,069,444.08/917,629.20
  6. Step 6: Final answer
    x = 1,021,001.80

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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.