Home / 1,158,831.60-1,738,247.40-878,895.60

Finding the Fourth Proportional to 1,158,831.60, 1,738,247.40 and 878,895.60

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Solution

The fourth proportional to 1,158,831.60, 1,738,247.40 and 878,895.60 is: 1,318,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,831.60 : 1,738,247.40 = 878,895.60 : x
  2. Step 2: Convert to fraction form
    1,158,831.60/1,738,247.40 = 878,895.60/x
  3. Step 3: Cross multiply
    1,158,831.60x = 1,738,247.40 × 878,895.60
  4. Step 4: Simplify right side
    1,158,831.60x = 1,527,737,991,571.44
  5. Step 5: Solve for x
    x = 1,527,737,991,571.44/1,158,831.60
  6. Step 6: Final answer
    x = 1,318,343.40

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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.