Home / 1,097,669.40-1,646,504.10-720,970.80

Finding the Fourth Proportional to 1,097,669.40, 1,646,504.10 and 720,970.80

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Solution

The fourth proportional to 1,097,669.40, 1,646,504.10 and 720,970.80 is: 1,081,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,669.40 : 1,646,504.10 = 720,970.80 : x
  2. Step 2: Convert to fraction form
    1,097,669.40/1,646,504.10 = 720,970.80/x
  3. Step 3: Cross multiply
    1,097,669.40x = 1,646,504.10 × 720,970.80
  4. Step 4: Simplify right side
    1,097,669.40x = 1,187,081,378,180.28
  5. Step 5: Solve for x
    x = 1,187,081,378,180.28/1,097,669.40
  6. Step 6: Final answer
    x = 1,081,456.20

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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.