Home / 1,029,673.84-1,419,374.80-722,889.60

Finding the Fourth Proportional to 1,029,673.84, 1,419,374.80 and 722,889.60

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Solution

The fourth proportional to 1,029,673.84, 1,419,374.80 and 722,889.60 is: 996,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,673.84 : 1,419,374.80 = 722,889.60 : x
  2. Step 2: Convert to fraction form
    1,029,673.84/1,419,374.80 = 722,889.60/x
  3. Step 3: Cross multiply
    1,029,673.84x = 1,419,374.80 × 722,889.60
  4. Step 4: Simplify right side
    1,029,673.84x = 1,026,051,281,422.08
  5. Step 5: Solve for x
    x = 1,026,051,281,422.08/1,029,673.84
  6. Step 6: Final answer
    x = 996,481.84

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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.