Home / 1,297,230.98-1,790,182.22-724,291.65

Finding the Fourth Proportional to 1,297,230.98, 1,790,182.22 and 724,291.65

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Solution

The fourth proportional to 1,297,230.98, 1,790,182.22 and 724,291.65 is: 999,524.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,230.98 : 1,790,182.22 = 724,291.65 : x
  2. Step 2: Convert to fraction form
    1,297,230.98/1,790,182.22 = 724,291.65/x
  3. Step 3: Cross multiply
    1,297,230.98x = 1,790,182.22 × 724,291.65
  4. Step 4: Simplify right side
    1,297,230.98x = 1,296,614,030,303.00
  5. Step 5: Solve for x
    x = 1,296,614,030,303.00/1,297,230.98
  6. Step 6: Final answer
    x = 999,524.41

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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.