Home / 1,089,950.75-1,635,188.70-341,996.75

Finding the Fourth Proportional to 1,089,950.75, 1,635,188.70 and 341,996.75

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Solution

The fourth proportional to 1,089,950.75, 1,635,188.70 and 341,996.75 is: 513,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,950.75 : 1,635,188.70 = 341,996.75 : x
  2. Step 2: Convert to fraction form
    1,089,950.75/1,635,188.70 = 341,996.75/x
  3. Step 3: Cross multiply
    1,089,950.75x = 1,635,188.70 × 341,996.75
  4. Step 4: Simplify right side
    1,089,950.75x = 559,229,221,036.73
  5. Step 5: Solve for x
    x = 559,229,221,036.73/1,089,950.75
  6. Step 6: Final answer
    x = 513,077.51

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Double scale
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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.