Home / 1,330,286.55-1,995,429.83-1,256,803.35

Finding the Fourth Proportional to 1,330,286.55, 1,995,429.83 and 1,256,803.35

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Solution

The fourth proportional to 1,330,286.55, 1,995,429.83 and 1,256,803.35 is: 1,885,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,286.55 : 1,995,429.83 = 1,256,803.35 : x
  2. Step 2: Convert to fraction form
    1,330,286.55/1,995,429.83 = 1,256,803.35/x
  3. Step 3: Cross multiply
    1,330,286.55x = 1,995,429.83 × 1,256,803.35
  4. Step 4: Simplify right side
    1,330,286.55x = 2,507,862,888,749.91
  5. Step 5: Solve for x
    x = 2,507,862,888,749.91/1,330,286.55
  6. Step 6: Final answer
    x = 1,885,205.03

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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.