Home / 1,108,441.60-1,660,329.60-921,817.60

Finding the Fourth Proportional to 1,108,441.60, 1,660,329.60 and 921,817.60

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Solution

The fourth proportional to 1,108,441.60, 1,660,329.60 and 921,817.60 is: 1,380,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,441.60 : 1,660,329.60 = 921,817.60 : x
  2. Step 2: Convert to fraction form
    1,108,441.60/1,660,329.60 = 921,817.60/x
  3. Step 3: Cross multiply
    1,108,441.60x = 1,660,329.60 × 921,817.60
  4. Step 4: Simplify right side
    1,108,441.60x = 1,530,521,047,080.96
  5. Step 5: Solve for x
    x = 1,530,521,047,080.96/1,108,441.60
  6. Step 6: Final answer
    x = 1,380,786.36

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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.