Home / 1,286,837.28-1,775,830.04-713,877.46

Finding the Fourth Proportional to 1,286,837.28, 1,775,830.04 and 713,877.46

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Solution

The fourth proportional to 1,286,837.28, 1,775,830.04 and 713,877.46 is: 985,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,837.28 : 1,775,830.04 = 713,877.46 : x
  2. Step 2: Convert to fraction form
    1,286,837.28/1,775,830.04 = 713,877.46/x
  3. Step 3: Cross multiply
    1,286,837.28x = 1,775,830.04 × 713,877.46
  4. Step 4: Simplify right side
    1,286,837.28x = 1,267,725,033,014.98
  5. Step 5: Solve for x
    x = 1,267,725,033,014.98/1,286,837.28
  6. Step 6: Final answer
    x = 985,147.89

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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.