Home / 1,369,171.75-1,889,330.21-757,311.34

Finding the Fourth Proportional to 1,369,171.75, 1,889,330.21 and 757,311.34

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Solution

The fourth proportional to 1,369,171.75, 1,889,330.21 and 757,311.34 is: 1,045,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,171.75 : 1,889,330.21 = 757,311.34 : x
  2. Step 2: Convert to fraction form
    1,369,171.75/1,889,330.21 = 757,311.34/x
  3. Step 3: Cross multiply
    1,369,171.75x = 1,889,330.21 × 757,311.34
  4. Step 4: Simplify right side
    1,369,171.75x = 1,430,811,193,037.58
  5. Step 5: Solve for x
    x = 1,430,811,193,037.58/1,369,171.75
  6. Step 6: Final answer
    x = 1,045,019.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.