Home / 1,147,475.48-1,583,507.40-631,218.25

Finding the Fourth Proportional to 1,147,475.48, 1,583,507.40 and 631,218.25

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Solution

The fourth proportional to 1,147,475.48, 1,583,507.40 and 631,218.25 is: 871,076.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,475.48 : 1,583,507.40 = 631,218.25 : x
  2. Step 2: Convert to fraction form
    1,147,475.48/1,583,507.40 = 631,218.25/x
  3. Step 3: Cross multiply
    1,147,475.48x = 1,583,507.40 × 631,218.25
  4. Step 4: Simplify right side
    1,147,475.48x = 999,538,769,502.37
  5. Step 5: Solve for x
    x = 999,538,769,502.37/1,147,475.48
  6. Step 6: Final answer
    x = 871,076.37

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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.