Home / 1,295,940.45-1,942,334.69-916,970.39

Finding the Fourth Proportional to 1,295,940.45, 1,942,334.69 and 916,970.39

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Solution

The fourth proportional to 1,295,940.45, 1,942,334.69 and 916,970.39 is: 1,374,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,940.45 : 1,942,334.69 = 916,970.39 : x
  2. Step 2: Convert to fraction form
    1,295,940.45/1,942,334.69 = 916,970.39/x
  3. Step 3: Cross multiply
    1,295,940.45x = 1,942,334.69 × 916,970.39
  4. Step 4: Simplify right side
    1,295,940.45x = 1,781,063,383,903.30
  5. Step 5: Solve for x
    x = 1,781,063,383,903.30/1,295,940.45
  6. Step 6: Final answer
    x = 1,374,340.45

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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.