Home / 1,147,475.83-1,583,507.89-631,218.61

Finding the Fourth Proportional to 1,147,475.83, 1,583,507.89 and 631,218.61

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Solution

The fourth proportional to 1,147,475.83, 1,583,507.89 and 631,218.61 is: 871,076.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,475.83 : 1,583,507.89 = 631,218.61 : x
  2. Step 2: Convert to fraction form
    1,147,475.83/1,583,507.89 = 631,218.61/x
  3. Step 3: Cross multiply
    1,147,475.83x = 1,583,507.89 × 631,218.61
  4. Step 4: Simplify right side
    1,147,475.83x = 999,539,649,249.83
  5. Step 5: Solve for x
    x = 999,539,649,249.83/1,147,475.83
  6. Step 6: Final answer
    x = 871,076.87

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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.