Home / 1,120,057.48-1,680,092.30-278,609.24

Finding the Fourth Proportional to 1,120,057.48, 1,680,092.30 and 278,609.24

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Solution

The fourth proportional to 1,120,057.48, 1,680,092.30 and 278,609.24 is: 417,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,057.48 : 1,680,092.30 = 278,609.24 : x
  2. Step 2: Convert to fraction form
    1,120,057.48/1,680,092.30 = 278,609.24/x
  3. Step 3: Cross multiply
    1,120,057.48x = 1,680,092.30 × 278,609.24
  4. Step 4: Simplify right side
    1,120,057.48x = 468,089,238,832.85
  5. Step 5: Solve for x
    x = 468,089,238,832.85/1,120,057.48
  6. Step 6: Final answer
    x = 417,915.37

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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.