Home / 1,111,909.50-1,667,904.35-313,260.84

Finding the Fourth Proportional to 1,111,909.50, 1,667,904.35 and 313,260.84

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Solution

The fourth proportional to 1,111,909.50, 1,667,904.35 and 313,260.84 is: 469,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,909.50 : 1,667,904.35 = 313,260.84 : x
  2. Step 2: Convert to fraction form
    1,111,909.50/1,667,904.35 = 313,260.84/x
  3. Step 3: Cross multiply
    1,111,909.50x = 1,667,904.35 × 313,260.84
  4. Step 4: Simplify right side
    1,111,909.50x = 522,489,116,154.35
  5. Step 5: Solve for x
    x = 522,489,116,154.35/1,111,909.50
  6. Step 6: Final answer
    x = 469,902.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.