Home / 1,089,981.87-1,635,235.37-342,027.87

Finding the Fourth Proportional to 1,089,981.87, 1,635,235.37 and 342,027.87

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Solution

The fourth proportional to 1,089,981.87, 1,635,235.37 and 342,027.87 is: 513,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,981.87 : 1,635,235.37 = 342,027.87 : x
  2. Step 2: Convert to fraction form
    1,089,981.87/1,635,235.37 = 342,027.87/x
  3. Step 3: Cross multiply
    1,089,981.87x = 1,635,235.37 × 342,027.87
  4. Step 4: Simplify right side
    1,089,981.87x = 559,296,068,839.62
  5. Step 5: Solve for x
    x = 559,296,068,839.62/1,089,981.87
  6. Step 6: Final answer
    x = 513,124.19

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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.