Home / 1,281,970.35-1,769,663.82-798,774.24

Finding the Fourth Proportional to 1,281,970.35, 1,769,663.82 and 798,774.24

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Solution

The fourth proportional to 1,281,970.35, 1,769,663.82 and 798,774.24 is: 1,102,647.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,970.35 : 1,769,663.82 = 798,774.24 : x
  2. Step 2: Convert to fraction form
    1,281,970.35/1,769,663.82 = 798,774.24/x
  3. Step 3: Cross multiply
    1,281,970.35x = 1,769,663.82 × 798,774.24
  4. Step 4: Simplify right side
    1,281,970.35x = 1,413,561,863,083.00
  5. Step 5: Solve for x
    x = 1,413,561,863,083.00/1,281,970.35
  6. Step 6: Final answer
    x = 1,102,647.86

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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.