Home / 1,099,130.82-1,648,728.63-938,192.04

Finding the Fourth Proportional to 1,099,130.82, 1,648,728.63 and 938,192.04

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Solution

The fourth proportional to 1,099,130.82, 1,648,728.63 and 938,192.04 is: 1,407,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,130.82 : 1,648,728.63 = 938,192.04 : x
  2. Step 2: Convert to fraction form
    1,099,130.82/1,648,728.63 = 938,192.04/x
  3. Step 3: Cross multiply
    1,099,130.82x = 1,648,728.63 × 938,192.04
  4. Step 4: Simplify right side
    1,099,130.82x = 1,546,824,076,786.11
  5. Step 5: Solve for x
    x = 1,546,824,076,786.11/1,099,130.82
  6. Step 6: Final answer
    x = 1,407,315.72

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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.