Home / 1,282,788.60-1,923,641.34-384,357.96

Finding the Fourth Proportional to 1,282,788.60, 1,923,641.34 and 384,357.96

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Solution

The fourth proportional to 1,282,788.60, 1,923,641.34 and 384,357.96 is: 576,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,788.60 : 1,923,641.34 = 384,357.96 : x
  2. Step 2: Convert to fraction form
    1,282,788.60/1,923,641.34 = 384,357.96/x
  3. Step 3: Cross multiply
    1,282,788.60x = 1,923,641.34 × 384,357.96
  4. Step 4: Simplify right side
    1,282,788.60x = 739,366,861,214.07
  5. Step 5: Solve for x
    x = 739,366,861,214.07/1,282,788.60
  6. Step 6: Final answer
    x = 576,374.67

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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.