Home / 1,110,584.12-1,664,130.83-858,482.55

Finding the Fourth Proportional to 1,110,584.12, 1,664,130.83 and 858,482.55

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Solution

The fourth proportional to 1,110,584.12, 1,664,130.83 and 858,482.55 is: 1,286,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,584.12 : 1,664,130.83 = 858,482.55 : x
  2. Step 2: Convert to fraction form
    1,110,584.12/1,664,130.83 = 858,482.55/x
  3. Step 3: Cross multiply
    1,110,584.12x = 1,664,130.83 × 858,482.55
  4. Step 4: Simplify right side
    1,110,584.12x = 1,428,627,274,179.60
  5. Step 5: Solve for x
    x = 1,428,627,274,179.60/1,110,584.12
  6. Step 6: Final answer
    x = 1,286,374.67

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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.