Home / 1,286,315.00-1,775,070.03-713,408.48

Finding the Fourth Proportional to 1,286,315.00, 1,775,070.03 and 713,408.48

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Solution

The fourth proportional to 1,286,315.00, 1,775,070.03 and 713,408.48 is: 984,478.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,315.00 : 1,775,070.03 = 713,408.48 : x
  2. Step 2: Convert to fraction form
    1,286,315.00/1,775,070.03 = 713,408.48/x
  3. Step 3: Cross multiply
    1,286,315.00x = 1,775,070.03 × 713,408.48
  4. Step 4: Simplify right side
    1,286,315.00x = 1,266,350,003,120.50
  5. Step 5: Solve for x
    x = 1,266,350,003,120.50/1,286,315.00
  6. Step 6: Final answer
    x = 984,478.92

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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.