Home / 1,107,059.10-1,660,588.65-764,574.90

Finding the Fourth Proportional to 1,107,059.10, 1,660,588.65 and 764,574.90

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Solution

The fourth proportional to 1,107,059.10, 1,660,588.65 and 764,574.90 is: 1,146,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,059.10 : 1,660,588.65 = 764,574.90 : x
  2. Step 2: Convert to fraction form
    1,107,059.10/1,660,588.65 = 764,574.90/x
  3. Step 3: Cross multiply
    1,107,059.10x = 1,660,588.65 × 764,574.90
  4. Step 4: Simplify right side
    1,107,059.10x = 1,269,644,401,014.89
  5. Step 5: Solve for x
    x = 1,269,644,401,014.89/1,107,059.10
  6. Step 6: Final answer
    x = 1,146,862.35

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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.