Home / 1,286,306.60-1,775,014.98-713,293.16

Finding the Fourth Proportional to 1,286,306.60, 1,775,014.98 and 713,293.16

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Solution

The fourth proportional to 1,286,306.60, 1,775,014.98 and 713,293.16 is: 984,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,306.60 : 1,775,014.98 = 713,293.16 : x
  2. Step 2: Convert to fraction form
    1,286,306.60/1,775,014.98 = 713,293.16/x
  3. Step 3: Cross multiply
    1,286,306.60x = 1,775,014.98 × 713,293.16
  4. Step 4: Simplify right side
    1,286,306.60x = 1,266,106,044,131.54
  5. Step 5: Solve for x
    x = 1,266,106,044,131.54/1,286,306.60
  6. Step 6: Final answer
    x = 984,295.69

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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.