Home / 1,512,553.40-2,268,830.10-764,502.20

Finding the Fourth Proportional to 1,512,553.40, 2,268,830.10 and 764,502.20

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Solution

The fourth proportional to 1,512,553.40, 2,268,830.10 and 764,502.20 is: 1,146,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,553.40 : 2,268,830.10 = 764,502.20 : x
  2. Step 2: Convert to fraction form
    1,512,553.40/2,268,830.10 = 764,502.20/x
  3. Step 3: Cross multiply
    1,512,553.40x = 2,268,830.10 × 764,502.20
  4. Step 4: Simplify right side
    1,512,553.40x = 1,734,525,602,876.22
  5. Step 5: Solve for x
    x = 1,734,525,602,876.22/1,512,553.40
  6. Step 6: Final answer
    x = 1,146,753.30

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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.