Home / 1,080,015.87-1,490,406.39-589,979.44

Finding the Fourth Proportional to 1,080,015.87, 1,490,406.39 and 589,979.44

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Solution

The fourth proportional to 1,080,015.87, 1,490,406.39 and 589,979.44 is: 814,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,015.87 : 1,490,406.39 = 589,979.44 : x
  2. Step 2: Convert to fraction form
    1,080,015.87/1,490,406.39 = 589,979.44/x
  3. Step 3: Cross multiply
    1,080,015.87x = 1,490,406.39 × 589,979.44
  4. Step 4: Simplify right side
    1,080,015.87x = 879,309,127,344.62
  5. Step 5: Solve for x
    x = 879,309,127,344.62/1,080,015.87
  6. Step 6: Final answer
    x = 814,163.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.