Home / 1,080,918-1,621,364.04-1,015,152.72

Finding the Fourth Proportional to 1,080,918, 1,621,364.04 and 1,015,152.72

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Solution

The fourth proportional to 1,080,918, 1,621,364.04 and 1,015,152.72 is: 1,522,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,918 : 1,621,364.04 = 1,015,152.72 : x
  2. Step 2: Convert to fraction form
    1,080,918/1,621,364.04 = 1,015,152.72/x
  3. Step 3: Cross multiply
    1,080,918x = 1,621,364.04 × 1,015,152.72
  4. Step 4: Simplify right side
    1,080,918x = 1,645,932,115,316.19
  5. Step 5: Solve for x
    x = 1,645,932,115,316.19/1,080,918
  6. Step 6: Final answer
    x = 1,522,716.91

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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.