Home / 1,047,405-1,571,198.61-289,247.46

Finding the Fourth Proportional to 1,047,405, 1,571,198.61 and 289,247.46

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Solution

The fourth proportional to 1,047,405, 1,571,198.61 and 289,247.46 is: 433,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,405 : 1,571,198.61 = 289,247.46 : x
  2. Step 2: Convert to fraction form
    1,047,405/1,571,198.61 = 289,247.46/x
  3. Step 3: Cross multiply
    1,047,405x = 1,571,198.61 × 289,247.46
  4. Step 4: Simplify right side
    1,047,405x = 454,465,207,098.03
  5. Step 5: Solve for x
    x = 454,465,207,098.03/1,047,405
  6. Step 6: Final answer
    x = 433,896.35

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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.