Home / 1,296,266.40-1,788,846.22-723,306.61

Finding the Fourth Proportional to 1,296,266.40, 1,788,846.22 and 723,306.61

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Solution

The fourth proportional to 1,296,266.40, 1,788,846.22 and 723,306.61 is: 998,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,266.40 : 1,788,846.22 = 723,306.61 : x
  2. Step 2: Convert to fraction form
    1,296,266.40/1,788,846.22 = 723,306.61/x
  3. Step 3: Cross multiply
    1,296,266.40x = 1,788,846.22 × 723,306.61
  4. Step 4: Simplify right side
    1,296,266.40x = 1,293,884,295,199.51
  5. Step 5: Solve for x
    x = 1,293,884,295,199.51/1,296,266.40
  6. Step 6: Final answer
    x = 998,162.33

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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.