Home / 1,297,085.24-1,789,902.96-724,161.80

Finding the Fourth Proportional to 1,297,085.24, 1,789,902.96 and 724,161.80

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Solution

The fourth proportional to 1,297,085.24, 1,789,902.96 and 724,161.80 is: 999,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,085.24 : 1,789,902.96 = 724,161.80 : x
  2. Step 2: Convert to fraction form
    1,297,085.24/1,789,902.96 = 724,161.80/x
  3. Step 3: Cross multiply
    1,297,085.24x = 1,789,902.96 × 724,161.80
  4. Step 4: Simplify right side
    1,297,085.24x = 1,296,179,349,338.93
  5. Step 5: Solve for x
    x = 1,296,179,349,338.93/1,297,085.24
  6. Step 6: Final answer
    x = 999,301.60

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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.