Home / 1,409,492.20-1,945,100.58-764,912.52

Finding the Fourth Proportional to 1,409,492.20, 1,945,100.58 and 764,912.52

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Solution

The fourth proportional to 1,409,492.20, 1,945,100.58 and 764,912.52 is: 1,055,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,492.20 : 1,945,100.58 = 764,912.52 : x
  2. Step 2: Convert to fraction form
    1,409,492.20/1,945,100.58 = 764,912.52/x
  3. Step 3: Cross multiply
    1,409,492.20x = 1,945,100.58 × 764,912.52
  4. Step 4: Simplify right side
    1,409,492.20x = 1,487,831,786,301.26
  5. Step 5: Solve for x
    x = 1,487,831,786,301.26/1,409,492.20
  6. Step 6: Final answer
    x = 1,055,580.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.