Home / 1,223,319.60-1,831,350.60-909,169.20

Finding the Fourth Proportional to 1,223,319.60, 1,831,350.60 and 909,169.20

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Solution

The fourth proportional to 1,223,319.60, 1,831,350.60 and 909,169.20 is: 1,361,056.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,319.60 : 1,831,350.60 = 909,169.20 : x
  2. Step 2: Convert to fraction form
    1,223,319.60/1,831,350.60 = 909,169.20/x
  3. Step 3: Cross multiply
    1,223,319.60x = 1,831,350.60 × 909,169.20
  4. Step 4: Simplify right side
    1,223,319.60x = 1,665,007,559,921.52
  5. Step 5: Solve for x
    x = 1,665,007,559,921.52/1,223,319.60
  6. Step 6: Final answer
    x = 1,361,056.88

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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.