Home / 1,090,435.40-1,632,153.90-852,489.80

Finding the Fourth Proportional to 1,090,435.40, 1,632,153.90 and 852,489.80

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Solution

The fourth proportional to 1,090,435.40, 1,632,153.90 and 852,489.80 is: 1,275,999.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,435.40 : 1,632,153.90 = 852,489.80 : x
  2. Step 2: Convert to fraction form
    1,090,435.40/1,632,153.90 = 852,489.80/x
  3. Step 3: Cross multiply
    1,090,435.40x = 1,632,153.90 × 852,489.80
  4. Step 4: Simplify right side
    1,090,435.40x = 1,391,394,551,780.22
  5. Step 5: Solve for x
    x = 1,391,394,551,780.22/1,090,435.40
  6. Step 6: Final answer
    x = 1,275,999.07

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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.