Home / 1,128,611.48-1,692,972.59-454,601.75

Finding the Fourth Proportional to 1,128,611.48, 1,692,972.59 and 454,601.75

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Solution

The fourth proportional to 1,128,611.48, 1,692,972.59 and 454,601.75 is: 681,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,611.48 : 1,692,972.59 = 454,601.75 : x
  2. Step 2: Convert to fraction form
    1,128,611.48/1,692,972.59 = 454,601.75/x
  3. Step 3: Cross multiply
    1,128,611.48x = 1,692,972.59 × 454,601.75
  4. Step 4: Simplify right side
    1,128,611.48x = 769,628,291,378.16
  5. Step 5: Solve for x
    x = 769,628,291,378.16/1,128,611.48
  6. Step 6: Final answer
    x = 681,924.92

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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.