Home / 1,080,011.11-1,490,399.84-589,974.69

Finding the Fourth Proportional to 1,080,011.11, 1,490,399.84 and 589,974.69

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Solution

The fourth proportional to 1,080,011.11, 1,490,399.84 and 589,974.69 is: 814,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,011.11 : 1,490,399.84 = 589,974.69 : x
  2. Step 2: Convert to fraction form
    1,080,011.11/1,490,399.84 = 589,974.69/x
  3. Step 3: Cross multiply
    1,080,011.11x = 1,490,399.84 × 589,974.69
  4. Step 4: Simplify right side
    1,080,011.11x = 879,298,178,112.20
  5. Step 5: Solve for x
    x = 879,298,178,112.20/1,080,011.11
  6. Step 6: Final answer
    x = 814,156.61

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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.