Home / 1,286,613.52-1,775,513.82-713,638.96

Finding the Fourth Proportional to 1,286,613.52, 1,775,513.82 and 713,638.96

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Solution

The fourth proportional to 1,286,613.52, 1,775,513.82 and 713,638.96 is: 984,814.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,613.52 : 1,775,513.82 = 713,638.96 : x
  2. Step 2: Convert to fraction form
    1,286,613.52/1,775,513.82 = 713,638.96/x
  3. Step 3: Cross multiply
    1,286,613.52x = 1,775,513.82 × 713,638.96
  4. Step 4: Simplify right side
    1,286,613.52x = 1,267,075,834,207.79
  5. Step 5: Solve for x
    x = 1,267,075,834,207.79/1,286,613.52
  6. Step 6: Final answer
    x = 984,814.64

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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.