Home / 1,804,887.36-2,490,747.48-988,961.40

Finding the Fourth Proportional to 1,804,887.36, 2,490,747.48 and 988,961.40

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Solution

The fourth proportional to 1,804,887.36, 2,490,747.48 and 988,961.40 is: 1,364,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,887.36 : 2,490,747.48 = 988,961.40 : x
  2. Step 2: Convert to fraction form
    1,804,887.36/2,490,747.48 = 988,961.40/x
  3. Step 3: Cross multiply
    1,804,887.36x = 2,490,747.48 × 988,961.40
  4. Step 4: Simplify right side
    1,804,887.36x = 2,463,253,114,867.27
  5. Step 5: Solve for x
    x = 2,463,253,114,867.27/1,804,887.36
  6. Step 6: Final answer
    x = 1,364,768.33

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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.