Home / 1,512,075-2,268,156.24-390,144

Finding the Fourth Proportional to 1,512,075, 2,268,156.24 and 390,144

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Solution

The fourth proportional to 1,512,075, 2,268,156.24 and 390,144 is: 585,227.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,075 : 2,268,156.24 = 390,144 : x
  2. Step 2: Convert to fraction form
    1,512,075/2,268,156.24 = 390,144/x
  3. Step 3: Cross multiply
    1,512,075x = 2,268,156.24 × 390,144
  4. Step 4: Simplify right side
    1,512,075x = 884,907,548,098.56
  5. Step 5: Solve for x
    x = 884,907,548,098.56/1,512,075
  6. Step 6: Final answer
    x = 585,227.29

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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.