Home / 1,180,121.63-1,628,825.75-750,317.81

Finding the Fourth Proportional to 1,180,121.63, 1,628,825.75 and 750,317.81

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Solution

The fourth proportional to 1,180,121.63, 1,628,825.75 and 750,317.81 is: 1,035,602.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,121.63 : 1,628,825.75 = 750,317.81 : x
  2. Step 2: Convert to fraction form
    1,180,121.63/1,628,825.75 = 750,317.81/x
  3. Step 3: Cross multiply
    1,180,121.63x = 1,628,825.75 × 750,317.81
  4. Step 4: Simplify right side
    1,180,121.63x = 1,222,136,957,715.89
  5. Step 5: Solve for x
    x = 1,222,136,957,715.89/1,180,121.63
  6. Step 6: Final answer
    x = 1,035,602.54

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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.