Home / 1,296,014.97-1,788,501.78-723,055.31

Finding the Fourth Proportional to 1,296,014.97, 1,788,501.78 and 723,055.31

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Solution

The fourth proportional to 1,296,014.97, 1,788,501.78 and 723,055.31 is: 997,816.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,014.97 : 1,788,501.78 = 723,055.31 : x
  2. Step 2: Convert to fraction form
    1,296,014.97/1,788,501.78 = 723,055.31/x
  3. Step 3: Cross multiply
    1,296,014.97x = 1,788,501.78 × 723,055.31
  4. Step 4: Simplify right side
    1,296,014.97x = 1,293,185,708,973.45
  5. Step 5: Solve for x
    x = 1,293,185,708,973.45/1,296,014.97
  6. Step 6: Final answer
    x = 997,816.95

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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.