Home / 1,424,203.91-1,965,401.25-779,624.54

Finding the Fourth Proportional to 1,424,203.91, 1,965,401.25 and 779,624.54

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Solution

The fourth proportional to 1,424,203.91, 1,965,401.25 and 779,624.54 is: 1,075,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,203.91 : 1,965,401.25 = 779,624.54 : x
  2. Step 2: Convert to fraction form
    1,424,203.91/1,965,401.25 = 779,624.54/x
  3. Step 3: Cross multiply
    1,424,203.91x = 1,965,401.25 × 779,624.54
  4. Step 4: Simplify right side
    1,424,203.91x = 1,532,275,045,446.68
  5. Step 5: Solve for x
    x = 1,532,275,045,446.68/1,424,203.91
  6. Step 6: Final answer
    x = 1,075,881.79

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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.