Home / 1,021,586.85-1,409,958.03-779,411.82

Finding the Fourth Proportional to 1,021,586.85, 1,409,958.03 and 779,411.82

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Solution

The fourth proportional to 1,021,586.85, 1,409,958.03 and 779,411.82 is: 1,075,716.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,586.85 : 1,409,958.03 = 779,411.82 : x
  2. Step 2: Convert to fraction form
    1,021,586.85/1,409,958.03 = 779,411.82/x
  3. Step 3: Cross multiply
    1,021,586.85x = 1,409,958.03 × 779,411.82
  4. Step 4: Simplify right side
    1,021,586.85x = 1,098,937,954,285.91
  5. Step 5: Solve for x
    x = 1,098,937,954,285.91/1,021,586.85
  6. Step 6: Final answer
    x = 1,075,716.62

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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.