Home / 1,110,647.36-1,531,913.90-681,098.70

Finding the Fourth Proportional to 1,110,647.36, 1,531,913.90 and 681,098.70

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Solution

The fourth proportional to 1,110,647.36, 1,531,913.90 and 681,098.70 is: 939,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,647.36 : 1,531,913.90 = 681,098.70 : x
  2. Step 2: Convert to fraction form
    1,110,647.36/1,531,913.90 = 681,098.70/x
  3. Step 3: Cross multiply
    1,110,647.36x = 1,531,913.90 × 681,098.70
  4. Step 4: Simplify right side
    1,110,647.36x = 1,043,384,565,801.93
  5. Step 5: Solve for x
    x = 1,043,384,565,801.93/1,110,647.36
  6. Step 6: Final answer
    x = 939,438.21

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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.