Home / 1,080,574.41-1,491,041.24-621,514.47

Finding the Fourth Proportional to 1,080,574.41, 1,491,041.24 and 621,514.47

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Solution

The fourth proportional to 1,080,574.41, 1,491,041.24 and 621,514.47 is: 857,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,574.41 : 1,491,041.24 = 621,514.47 : x
  2. Step 2: Convert to fraction form
    1,080,574.41/1,491,041.24 = 621,514.47/x
  3. Step 3: Cross multiply
    1,080,574.41x = 1,491,041.24 × 621,514.47
  4. Step 4: Simplify right side
    1,080,574.41x = 926,703,702,919.17
  5. Step 5: Solve for x
    x = 926,703,702,919.17/1,080,574.41
  6. Step 6: Final answer
    x = 857,602.86

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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.