Home / 1,424,206.91-1,965,405.39-779,627.54

Finding the Fourth Proportional to 1,424,206.91, 1,965,405.39 and 779,627.54

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Solution

The fourth proportional to 1,424,206.91, 1,965,405.39 and 779,627.54 is: 1,075,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,206.91 : 1,965,405.39 = 779,627.54 : x
  2. Step 2: Convert to fraction form
    1,424,206.91/1,965,405.39 = 779,627.54/x
  3. Step 3: Cross multiply
    1,424,206.91x = 1,965,405.39 × 779,627.54
  4. Step 4: Simplify right side
    1,424,206.91x = 1,532,284,169,308.44
  5. Step 5: Solve for x
    x = 1,532,284,169,308.44/1,424,206.91
  6. Step 6: Final answer
    x = 1,075,885.93

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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.