Home / 1,133,289.80-1,702,469.10-946,665.80

Finding the Fourth Proportional to 1,133,289.80, 1,702,469.10 and 946,665.80

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Solution

The fourth proportional to 1,133,289.80, 1,702,469.10 and 946,665.80 is: 1,422,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,289.80 : 1,702,469.10 = 946,665.80 : x
  2. Step 2: Convert to fraction form
    1,133,289.80/1,702,469.10 = 946,665.80/x
  3. Step 3: Cross multiply
    1,133,289.80x = 1,702,469.10 × 946,665.80
  4. Step 4: Simplify right side
    1,133,289.80x = 1,611,669,272,526.78
  5. Step 5: Solve for x
    x = 1,611,669,272,526.78/1,133,289.80
  6. Step 6: Final answer
    x = 1,422,115.75

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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.