Home / 1,089,220.83-1,634,066.28-331,123.32

Finding the Fourth Proportional to 1,089,220.83, 1,634,066.28 and 331,123.32

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Solution

The fourth proportional to 1,089,220.83, 1,634,066.28 and 331,123.32 is: 496,756.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,220.83 : 1,634,066.28 = 331,123.32 : x
  2. Step 2: Convert to fraction form
    1,089,220.83/1,634,066.28 = 331,123.32/x
  3. Step 3: Cross multiply
    1,089,220.83x = 1,634,066.28 × 331,123.32
  4. Step 4: Simplify right side
    1,089,220.83x = 541,077,451,733.65
  5. Step 5: Solve for x
    x = 541,077,451,733.65/1,089,220.83
  6. Step 6: Final answer
    x = 496,756.43

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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.