Home / 1,424,122.38-1,965,289.50-779,546.25

Finding the Fourth Proportional to 1,424,122.38, 1,965,289.50 and 779,546.25

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Solution

The fourth proportional to 1,424,122.38, 1,965,289.50 and 779,546.25 is: 1,075,774.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,122.38 : 1,965,289.50 = 779,546.25 : x
  2. Step 2: Convert to fraction form
    1,424,122.38/1,965,289.50 = 779,546.25/x
  3. Step 3: Cross multiply
    1,424,122.38x = 1,965,289.50 × 779,546.25
  4. Step 4: Simplify right side
    1,424,122.38x = 1,532,034,059,889.38
  5. Step 5: Solve for x
    x = 1,532,034,059,889.38/1,424,122.38
  6. Step 6: Final answer
    x = 1,075,774.16

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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.