Home / 915,104.80-1,374,231.84-875,738.80

Finding the Fourth Proportional to 915,104.80, 1,374,231.84 and 875,738.80

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Solution

The fourth proportional to 915,104.80, 1,374,231.84 and 875,738.80 is: 1,315,115.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,104.80 : 1,374,231.84 = 875,738.80 : x
  2. Step 2: Convert to fraction form
    915,104.80/1,374,231.84 = 875,738.80/x
  3. Step 3: Cross multiply
    915,104.80x = 1,374,231.84 × 875,738.80
  4. Step 4: Simplify right side
    915,104.80x = 1,203,468,142,483.39
  5. Step 5: Solve for x
    x = 1,203,468,142,483.39/915,104.80
  6. Step 6: Final answer
    x = 1,315,115.10

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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.