Home / 1,214,146.36-1,675,663.69-1,009,836.82

Finding the Fourth Proportional to 1,214,146.36, 1,675,663.69 and 1,009,836.82

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Solution

The fourth proportional to 1,214,146.36, 1,675,663.69 and 1,009,836.82 is: 1,393,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,146.36 : 1,675,663.69 = 1,009,836.82 : x
  2. Step 2: Convert to fraction form
    1,214,146.36/1,675,663.69 = 1,009,836.82/x
  3. Step 3: Cross multiply
    1,214,146.36x = 1,675,663.69 × 1,009,836.82
  4. Step 4: Simplify right side
    1,214,146.36x = 1,692,146,883,720.75
  5. Step 5: Solve for x
    x = 1,692,146,883,720.75/1,214,146.36
  6. Step 6: Final answer
    x = 1,393,692.68

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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.