Home / 1,347,539.40-2,021,309.10-548,409.60

Finding the Fourth Proportional to 1,347,539.40, 2,021,309.10 and 548,409.60

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Solution

The fourth proportional to 1,347,539.40, 2,021,309.10 and 548,409.60 is: 822,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,539.40 : 2,021,309.10 = 548,409.60 : x
  2. Step 2: Convert to fraction form
    1,347,539.40/2,021,309.10 = 548,409.60/x
  3. Step 3: Cross multiply
    1,347,539.40x = 2,021,309.10 × 548,409.60
  4. Step 4: Simplify right side
    1,347,539.40x = 1,108,505,315,007.36
  5. Step 5: Solve for x
    x = 1,108,505,315,007.36/1,347,539.40
  6. Step 6: Final answer
    x = 822,614.40

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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.