Home / 1,039,989.71-1,559,984.60-281,831.15

Finding the Fourth Proportional to 1,039,989.71, 1,559,984.60 and 281,831.15

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Solution

The fourth proportional to 1,039,989.71, 1,559,984.60 and 281,831.15 is: 422,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,989.71 : 1,559,984.60 = 281,831.15 : x
  2. Step 2: Convert to fraction form
    1,039,989.71/1,559,984.60 = 281,831.15/x
  3. Step 3: Cross multiply
    1,039,989.71x = 1,559,984.60 × 281,831.15
  4. Step 4: Simplify right side
    1,039,989.71x = 439,652,244,591.21
  5. Step 5: Solve for x
    x = 439,652,244,591.21/1,039,989.71
  6. Step 6: Final answer
    x = 422,746.73

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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.