Home / 1,337,328.09-1,845,512.74-764,380.56

Finding the Fourth Proportional to 1,337,328.09, 1,845,512.74 and 764,380.56

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Solution

The fourth proportional to 1,337,328.09, 1,845,512.74 and 764,380.56 is: 1,054,845.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,328.09 : 1,845,512.74 = 764,380.56 : x
  2. Step 2: Convert to fraction form
    1,337,328.09/1,845,512.74 = 764,380.56/x
  3. Step 3: Cross multiply
    1,337,328.09x = 1,845,512.74 × 764,380.56
  4. Step 4: Simplify right side
    1,337,328.09x = 1,410,674,059,777.38
  5. Step 5: Solve for x
    x = 1,410,674,059,777.38/1,337,328.09
  6. Step 6: Final answer
    x = 1,054,845.16

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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.