Home / 1,479,221.09-2,040,972.71-1,020,188.93

Finding the Fourth Proportional to 1,479,221.09, 2,040,972.71 and 1,020,188.93

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Solution

The fourth proportional to 1,479,221.09, 2,040,972.71 and 1,020,188.93 is: 1,407,617.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,221.09 : 2,040,972.71 = 1,020,188.93 : x
  2. Step 2: Convert to fraction form
    1,479,221.09/2,040,972.71 = 1,020,188.93/x
  3. Step 3: Cross multiply
    1,479,221.09x = 2,040,972.71 × 1,020,188.93
  4. Step 4: Simplify right side
    1,479,221.09x = 2,082,177,757,519.71
  5. Step 5: Solve for x
    x = 2,082,177,757,519.71/1,479,221.09
  6. Step 6: Final answer
    x = 1,407,617.68

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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.