Home / 1,223,150.60-1,831,097.10-909,000.20

Finding the Fourth Proportional to 1,223,150.60, 1,831,097.10 and 909,000.20

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Solution

The fourth proportional to 1,223,150.60, 1,831,097.10 and 909,000.20 is: 1,360,803.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,150.60 : 1,831,097.10 = 909,000.20 : x
  2. Step 2: Convert to fraction form
    1,223,150.60/1,831,097.10 = 909,000.20/x
  3. Step 3: Cross multiply
    1,223,150.60x = 1,831,097.10 × 909,000.20
  4. Step 4: Simplify right side
    1,223,150.60x = 1,664,467,630,119.42
  5. Step 5: Solve for x
    x = 1,664,467,630,119.42/1,223,150.60
  6. Step 6: Final answer
    x = 1,360,803.51

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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.