Home / 1,232,786.88-1,700,608.32-780,340.32

Finding the Fourth Proportional to 1,232,786.88, 1,700,608.32 and 780,340.32

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Solution

The fourth proportional to 1,232,786.88, 1,700,608.32 and 780,340.32 is: 1,076,466.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,786.88 : 1,700,608.32 = 780,340.32 : x
  2. Step 2: Convert to fraction form
    1,232,786.88/1,700,608.32 = 780,340.32/x
  3. Step 3: Cross multiply
    1,232,786.88x = 1,700,608.32 × 780,340.32
  4. Step 4: Simplify right side
    1,232,786.88x = 1,327,053,240,623.46
  5. Step 5: Solve for x
    x = 1,327,053,240,623.46/1,232,786.88
  6. Step 6: Final answer
    x = 1,076,466.06

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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.