Home / 1,183,039.20-1,774,558.80-709,480.80

Finding the Fourth Proportional to 1,183,039.20, 1,774,558.80 and 709,480.80

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Solution

The fourth proportional to 1,183,039.20, 1,774,558.80 and 709,480.80 is: 1,064,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,039.20 : 1,774,558.80 = 709,480.80 : x
  2. Step 2: Convert to fraction form
    1,183,039.20/1,774,558.80 = 709,480.80/x
  3. Step 3: Cross multiply
    1,183,039.20x = 1,774,558.80 × 709,480.80
  4. Step 4: Simplify right side
    1,183,039.20x = 1,259,015,397,071.04
  5. Step 5: Solve for x
    x = 1,259,015,397,071.04/1,183,039.20
  6. Step 6: Final answer
    x = 1,064,221.20

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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.