Home / 1,364,912.47-2,047,190.25-405,348.30

Finding the Fourth Proportional to 1,364,912.47, 2,047,190.25 and 405,348.30

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Solution

The fourth proportional to 1,364,912.47, 2,047,190.25 and 405,348.30 is: 607,969.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,912.47 : 2,047,190.25 = 405,348.30 : x
  2. Step 2: Convert to fraction form
    1,364,912.47/2,047,190.25 = 405,348.30/x
  3. Step 3: Cross multiply
    1,364,912.47x = 2,047,190.25 × 405,348.30
  4. Step 4: Simplify right side
    1,364,912.47x = 829,825,089,134.13
  5. Step 5: Solve for x
    x = 829,825,089,134.13/1,364,912.47
  6. Step 6: Final answer
    x = 607,969.45

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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.