Home / 1,147,474.22-1,583,505.65-631,217.00

Finding the Fourth Proportional to 1,147,474.22, 1,583,505.65 and 631,217.00

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Solution

The fourth proportional to 1,147,474.22, 1,583,505.65 and 631,217.00 is: 871,074.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,474.22 : 1,583,505.65 = 631,217.00 : x
  2. Step 2: Convert to fraction form
    1,147,474.22/1,583,505.65 = 631,217.00/x
  3. Step 3: Cross multiply
    1,147,474.22x = 1,583,505.65 × 631,217.00
  4. Step 4: Simplify right side
    1,147,474.22x = 999,535,691,412.86
  5. Step 5: Solve for x
    x = 999,535,691,412.86/1,147,474.22
  6. Step 6: Final answer
    x = 871,074.64

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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.