Home / 1,804,338.40-2,490,252.24-1,040,242.72

Finding the Fourth Proportional to 1,804,338.40, 2,490,252.24 and 1,040,242.72

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Solution

The fourth proportional to 1,804,338.40, 2,490,252.24 and 1,040,242.72 is: 1,435,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,338.40 : 2,490,252.24 = 1,040,242.72 : x
  2. Step 2: Convert to fraction form
    1,804,338.40/2,490,252.24 = 1,040,242.72/x
  3. Step 3: Cross multiply
    1,804,338.40x = 2,490,252.24 × 1,040,242.72
  4. Step 4: Simplify right side
    1,804,338.40x = 2,590,466,763,623.69
  5. Step 5: Solve for x
    x = 2,590,466,763,623.69/1,804,338.40
  6. Step 6: Final answer
    x = 1,435,687.88

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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.