Home / 1,424,211.91-1,965,412.29-779,632.54

Finding the Fourth Proportional to 1,424,211.91, 1,965,412.29 and 779,632.54

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Solution

The fourth proportional to 1,424,211.91, 1,965,412.29 and 779,632.54 is: 1,075,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,211.91 : 1,965,412.29 = 779,632.54 : x
  2. Step 2: Convert to fraction form
    1,424,211.91/1,965,412.29 = 779,632.54/x
  3. Step 3: Cross multiply
    1,424,211.91x = 1,965,412.29 × 779,632.54
  4. Step 4: Simplify right side
    1,424,211.91x = 1,532,299,375,799.92
  5. Step 5: Solve for x
    x = 1,532,299,375,799.92/1,424,211.91
  6. Step 6: Final answer
    x = 1,075,892.83

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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.