Home / 1,080,015.10-1,621,039.60-547,918

Finding the Fourth Proportional to 1,080,015.10, 1,621,039.60 and 547,918

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Solution

The fourth proportional to 1,080,015.10, 1,621,039.60 and 547,918 is: 822,392.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,015.10 : 1,621,039.60 = 547,918 : x
  2. Step 2: Convert to fraction form
    1,080,015.10/1,621,039.60 = 547,918/x
  3. Step 3: Cross multiply
    1,080,015.10x = 1,621,039.60 × 547,918
  4. Step 4: Simplify right side
    1,080,015.10x = 888,196,775,552.80
  5. Step 5: Solve for x
    x = 888,196,775,552.80/1,080,015.10
  6. Step 6: Final answer
    x = 822,392.92

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1.5x scale

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.