Home / 1,090,432.40-1,632,149.40-852,486.80

Finding the Fourth Proportional to 1,090,432.40, 1,632,149.40 and 852,486.80

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Solution

The fourth proportional to 1,090,432.40, 1,632,149.40 and 852,486.80 is: 1,275,994.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,432.40 : 1,632,149.40 = 852,486.80 : x
  2. Step 2: Convert to fraction form
    1,090,432.40/1,632,149.40 = 852,486.80/x
  3. Step 3: Cross multiply
    1,090,432.40x = 1,632,149.40 × 852,486.80
  4. Step 4: Simplify right side
    1,090,432.40x = 1,391,385,819,127.92
  5. Step 5: Solve for x
    x = 1,391,385,819,127.92/1,090,432.40
  6. Step 6: Final answer
    x = 1,275,994.57

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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.