Home / 1,267,934.12-1,749,928.48-784,654.92

Finding the Fourth Proportional to 1,267,934.12, 1,749,928.48 and 784,654.92

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Solution

The fourth proportional to 1,267,934.12, 1,749,928.48 and 784,654.92 is: 1,082,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,934.12 : 1,749,928.48 = 784,654.92 : x
  2. Step 2: Convert to fraction form
    1,267,934.12/1,749,928.48 = 784,654.92/x
  3. Step 3: Cross multiply
    1,267,934.12x = 1,749,928.48 × 784,654.92
  4. Step 4: Simplify right side
    1,267,934.12x = 1,373,089,991,480.12
  5. Step 5: Solve for x
    x = 1,373,089,991,480.12/1,267,934.12
  6. Step 6: Final answer
    x = 1,082,934.81

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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.