Home / 863,426.80-1,295,140.20-723,458.80

Finding the Fourth Proportional to 863,426.80, 1,295,140.20 and 723,458.80

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Solution

The fourth proportional to 863,426.80, 1,295,140.20 and 723,458.80 is: 1,085,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,426.80 : 1,295,140.20 = 723,458.80 : x
  2. Step 2: Convert to fraction form
    863,426.80/1,295,140.20 = 723,458.80/x
  3. Step 3: Cross multiply
    863,426.80x = 1,295,140.20 × 723,458.80
  4. Step 4: Simplify right side
    863,426.80x = 936,980,574,923.76
  5. Step 5: Solve for x
    x = 936,980,574,923.76/863,426.80
  6. Step 6: Final answer
    x = 1,085,188.20

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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.