Home / 1,804,356-2,490,011.28-1,079,234.28

Finding the Fourth Proportional to 1,804,356, 2,490,011.28 and 1,079,234.28

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Solution

The fourth proportional to 1,804,356, 2,490,011.28 and 1,079,234.28 is: 1,489,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,356 : 2,490,011.28 = 1,079,234.28 : x
  2. Step 2: Convert to fraction form
    1,804,356/2,490,011.28 = 1,079,234.28/x
  3. Step 3: Cross multiply
    1,804,356x = 2,490,011.28 × 1,079,234.28
  4. Step 4: Simplify right side
    1,804,356x = 2,687,305,530,962.68
  5. Step 5: Solve for x
    x = 2,687,305,530,962.68/1,804,356
  6. Step 6: Final answer
    x = 1,489,343.31

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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.