Home / 1,424,192.09-1,965,390.38-779,672.25

Finding the Fourth Proportional to 1,424,192.09, 1,965,390.38 and 779,672.25

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Solution

The fourth proportional to 1,424,192.09, 1,965,390.38 and 779,672.25 is: 1,075,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,192.09 : 1,965,390.38 = 779,672.25 : x
  2. Step 2: Convert to fraction form
    1,424,192.09/1,965,390.38 = 779,672.25/x
  3. Step 3: Cross multiply
    1,424,192.09x = 1,965,390.38 × 779,672.25
  4. Step 4: Simplify right side
    1,424,192.09x = 1,532,360,339,702.95
  5. Step 5: Solve for x
    x = 1,532,360,339,702.95/1,424,192.09
  6. Step 6: Final answer
    x = 1,075,950.60

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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.