Home / 1,410,369.83-1,946,255.79-765,775.28

Finding the Fourth Proportional to 1,410,369.83, 1,946,255.79 and 765,775.28

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Solution

The fourth proportional to 1,410,369.83, 1,946,255.79 and 765,775.28 is: 1,056,740.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,369.83 : 1,946,255.79 = 765,775.28 : x
  2. Step 2: Convert to fraction form
    1,410,369.83/1,946,255.79 = 765,775.28/x
  3. Step 3: Cross multiply
    1,410,369.83x = 1,946,255.79 × 765,775.28
  4. Step 4: Simplify right side
    1,410,369.83x = 1,490,394,562,807.59
  5. Step 5: Solve for x
    x = 1,490,394,562,807.59/1,410,369.83
  6. Step 6: Final answer
    x = 1,056,740.25

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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.