Home / 1,361,108.21-2,041,969.90-450,288.53

Finding the Fourth Proportional to 1,361,108.21, 2,041,969.90 and 450,288.53

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Solution

The fourth proportional to 1,361,108.21, 2,041,969.90 and 450,288.53 is: 675,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,108.21 : 2,041,969.90 = 450,288.53 : x
  2. Step 2: Convert to fraction form
    1,361,108.21/2,041,969.90 = 450,288.53/x
  3. Step 3: Cross multiply
    1,361,108.21x = 2,041,969.90 × 450,288.53
  4. Step 4: Simplify right side
    1,361,108.21x = 919,475,622,323.81
  5. Step 5: Solve for x
    x = 919,475,622,323.81/1,361,108.21
  6. Step 6: Final answer
    x = 675,534.55

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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.