Home / 1,089,120.82-1,633,759.26-290,398.18

Finding the Fourth Proportional to 1,089,120.82, 1,633,759.26 and 290,398.18

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Solution

The fourth proportional to 1,089,120.82, 1,633,759.26 and 290,398.18 is: 435,618.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,120.82 : 1,633,759.26 = 290,398.18 : x
  2. Step 2: Convert to fraction form
    1,089,120.82/1,633,759.26 = 290,398.18/x
  3. Step 3: Cross multiply
    1,089,120.82x = 1,633,759.26 × 290,398.18
  4. Step 4: Simplify right side
    1,089,120.82x = 474,440,710,125.76
  5. Step 5: Solve for x
    x = 474,440,710,125.76/1,089,120.82
  6. Step 6: Final answer
    x = 435,618.07

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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.