Home / 1,297,226.48-1,790,176.01-724,287.15

Finding the Fourth Proportional to 1,297,226.48, 1,790,176.01 and 724,287.15

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Solution

The fourth proportional to 1,297,226.48, 1,790,176.01 and 724,287.15 is: 999,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,226.48 : 1,790,176.01 = 724,287.15 : x
  2. Step 2: Convert to fraction form
    1,297,226.48/1,790,176.01 = 724,287.15/x
  3. Step 3: Cross multiply
    1,297,226.48x = 1,790,176.01 × 724,287.15
  4. Step 4: Simplify right side
    1,297,226.48x = 1,296,601,476,659.84
  5. Step 5: Solve for x
    x = 1,296,601,476,659.84/1,297,226.48
  6. Step 6: Final answer
    x = 999,518.20

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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.