Home / 1,097,220.80-1,647,386.40-677,316.80

Finding the Fourth Proportional to 1,097,220.80, 1,647,386.40 and 677,316.80

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Solution

The fourth proportional to 1,097,220.80, 1,647,386.40 and 677,316.80 is: 1,016,935.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,220.80 : 1,647,386.40 = 677,316.80 : x
  2. Step 2: Convert to fraction form
    1,097,220.80/1,647,386.40 = 677,316.80/x
  3. Step 3: Cross multiply
    1,097,220.80x = 1,647,386.40 × 677,316.80
  4. Step 4: Simplify right side
    1,097,220.80x = 1,115,802,484,811.52
  5. Step 5: Solve for x
    x = 1,115,802,484,811.52/1,097,220.80
  6. Step 6: Final answer
    x = 1,016,935.23

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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.