Home / 1,296,013.97-1,788,500.40-723,054.31

Finding the Fourth Proportional to 1,296,013.97, 1,788,500.40 and 723,054.31

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Solution

The fourth proportional to 1,296,013.97, 1,788,500.40 and 723,054.31 is: 997,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,013.97 : 1,788,500.40 = 723,054.31 : x
  2. Step 2: Convert to fraction form
    1,296,013.97/1,788,500.40 = 723,054.31/x
  3. Step 3: Cross multiply
    1,296,013.97x = 1,788,500.40 × 723,054.31
  4. Step 4: Simplify right side
    1,296,013.97x = 1,293,182,922,656.72
  5. Step 5: Solve for x
    x = 1,293,182,922,656.72/1,296,013.97
  6. Step 6: Final answer
    x = 997,815.57

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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.