Home / 1,804,357-2,490,012.66-1,079,235.28

Finding the Fourth Proportional to 1,804,357, 2,490,012.66 and 1,079,235.28

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Solution

The fourth proportional to 1,804,357, 2,490,012.66 and 1,079,235.28 is: 1,489,344.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,357 : 2,490,012.66 = 1,079,235.28 : x
  2. Step 2: Convert to fraction form
    1,804,357/2,490,012.66 = 1,079,235.28/x
  3. Step 3: Cross multiply
    1,804,357x = 2,490,012.66 × 1,079,235.28
  4. Step 4: Simplify right side
    1,804,357x = 2,687,309,510,318.65
  5. Step 5: Solve for x
    x = 2,687,309,510,318.65/1,804,357
  6. Step 6: Final answer
    x = 1,489,344.69

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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.