Home / 1,054,104.40-1,581,309.96-343,957.60

Finding the Fourth Proportional to 1,054,104.40, 1,581,309.96 and 343,957.60

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Solution

The fourth proportional to 1,054,104.40, 1,581,309.96 and 343,957.60 is: 515,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,104.40 : 1,581,309.96 = 343,957.60 : x
  2. Step 2: Convert to fraction form
    1,054,104.40/1,581,309.96 = 343,957.60/x
  3. Step 3: Cross multiply
    1,054,104.40x = 1,581,309.96 × 343,957.60
  4. Step 4: Simplify right side
    1,054,104.40x = 543,903,578,697.70
  5. Step 5: Solve for x
    x = 543,903,578,697.70/1,054,104.40
  6. Step 6: Final answer
    x = 515,986.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.