Home / 862,632.40-1,294,121.40-723,355.60

Finding the Fourth Proportional to 862,632.40, 1,294,121.40 and 723,355.60

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Solution

The fourth proportional to 862,632.40, 1,294,121.40 and 723,355.60 is: 1,085,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,632.40 : 1,294,121.40 = 723,355.60 : x
  2. Step 2: Convert to fraction form
    862,632.40/1,294,121.40 = 723,355.60/x
  3. Step 3: Cross multiply
    862,632.40x = 1,294,121.40 × 723,355.60
  4. Step 4: Simplify right side
    862,632.40x = 936,109,961,769.84
  5. Step 5: Solve for x
    x = 936,109,961,769.84/862,632.40
  6. Step 6: Final answer
    x = 1,085,178.30

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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.