Home / 1,286,318.55-1,775,228.72-713,543.25

Finding the Fourth Proportional to 1,286,318.55, 1,775,228.72 and 713,543.25

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Solution

The fourth proportional to 1,286,318.55, 1,775,228.72 and 713,543.25 is: 984,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,318.55 : 1,775,228.72 = 713,543.25 : x
  2. Step 2: Convert to fraction form
    1,286,318.55/1,775,228.72 = 713,543.25/x
  3. Step 3: Cross multiply
    1,286,318.55x = 1,775,228.72 × 713,543.25
  4. Step 4: Simplify right side
    1,286,318.55x = 1,266,702,466,794.42
  5. Step 5: Solve for x
    x = 1,266,702,466,794.42/1,286,318.55
  6. Step 6: Final answer
    x = 984,750.21

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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.