Home / 1,008,706.79-1,512,764.93-830,772.47

Finding the Fourth Proportional to 1,008,706.79, 1,512,764.93 and 830,772.47

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Solution

The fourth proportional to 1,008,706.79, 1,512,764.93 and 830,772.47 is: 1,245,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,706.79 : 1,512,764.93 = 830,772.47 : x
  2. Step 2: Convert to fraction form
    1,008,706.79/1,512,764.93 = 830,772.47/x
  3. Step 3: Cross multiply
    1,008,706.79x = 1,512,764.93 × 830,772.47
  4. Step 4: Simplify right side
    1,008,706.79x = 1,256,763,463,284.32
  5. Step 5: Solve for x
    x = 1,256,763,463,284.32/1,008,706.79
  6. Step 6: Final answer
    x = 1,245,915.54

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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.