Home / 1,110,940.10-1,666,410.15-685,787.30

Finding the Fourth Proportional to 1,110,940.10, 1,666,410.15 and 685,787.30

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Solution

The fourth proportional to 1,110,940.10, 1,666,410.15 and 685,787.30 is: 1,028,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,940.10 : 1,666,410.15 = 685,787.30 : x
  2. Step 2: Convert to fraction form
    1,110,940.10/1,666,410.15 = 685,787.30/x
  3. Step 3: Cross multiply
    1,110,940.10x = 1,666,410.15 × 685,787.30
  4. Step 4: Simplify right side
    1,110,940.10x = 1,142,802,917,461.10
  5. Step 5: Solve for x
    x = 1,142,802,917,461.10/1,110,940.10
  6. Step 6: Final answer
    x = 1,028,680.95

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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.