Home / 1,089,388.54-1,634,082.96-290,673.06

Finding the Fourth Proportional to 1,089,388.54, 1,634,082.96 and 290,673.06

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Solution

The fourth proportional to 1,089,388.54, 1,634,082.96 and 290,673.06 is: 436,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,388.54 : 1,634,082.96 = 290,673.06 : x
  2. Step 2: Convert to fraction form
    1,089,388.54/1,634,082.96 = 290,673.06/x
  3. Step 3: Cross multiply
    1,089,388.54x = 1,634,082.96 × 290,673.06
  4. Step 4: Simplify right side
    1,089,388.54x = 474,983,894,277.06
  5. Step 5: Solve for x
    x = 474,983,894,277.06/1,089,388.54
  6. Step 6: Final answer
    x = 436,009.63

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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.