Home / 1,089,759.70-1,503,844.93-630,893.67

Finding the Fourth Proportional to 1,089,759.70, 1,503,844.93 and 630,893.67

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Solution

The fourth proportional to 1,089,759.70, 1,503,844.93 and 630,893.67 is: 870,619.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,759.70 : 1,503,844.93 = 630,893.67 : x
  2. Step 2: Convert to fraction form
    1,089,759.70/1,503,844.93 = 630,893.67/x
  3. Step 3: Cross multiply
    1,089,759.70x = 1,503,844.93 × 630,893.67
  4. Step 4: Simplify right side
    1,089,759.70x = 948,766,246,998.59
  5. Step 5: Solve for x
    x = 948,766,246,998.59/1,089,759.70
  6. Step 6: Final answer
    x = 870,619.69

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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.