Home / 1,424,225.94-1,965,431.61-779,646.54

Finding the Fourth Proportional to 1,424,225.94, 1,965,431.61 and 779,646.54

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Solution

The fourth proportional to 1,424,225.94, 1,965,431.61 and 779,646.54 is: 1,075,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,225.94 : 1,965,431.61 = 779,646.54 : x
  2. Step 2: Convert to fraction form
    1,424,225.94/1,965,431.61 = 779,646.54/x
  3. Step 3: Cross multiply
    1,424,225.94x = 1,965,431.61 × 779,646.54
  4. Step 4: Simplify right side
    1,424,225.94x = 1,532,341,954,343.13
  5. Step 5: Solve for x
    x = 1,532,341,954,343.13/1,424,225.94
  6. Step 6: Final answer
    x = 1,075,912.12

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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.