Home / 1,424,016.66-1,965,161.43-779,423.01

Finding the Fourth Proportional to 1,424,016.66, 1,965,161.43 and 779,423.01

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Solution

The fourth proportional to 1,424,016.66, 1,965,161.43 and 779,423.01 is: 1,075,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,016.66 : 1,965,161.43 = 779,423.01 : x
  2. Step 2: Convert to fraction form
    1,424,016.66/1,965,161.43 = 779,423.01/x
  3. Step 3: Cross multiply
    1,424,016.66x = 1,965,161.43 × 779,423.01
  4. Step 4: Simplify right side
    1,424,016.66x = 1,531,692,036,906.50
  5. Step 5: Solve for x
    x = 1,531,692,036,906.50/1,424,016.66
  6. Step 6: Final answer
    x = 1,075,613.85

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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.