Home / 1,491,015.53-2,057,328.10-879,359.69

Finding the Fourth Proportional to 1,491,015.53, 2,057,328.10 and 879,359.69

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Solution

The fourth proportional to 1,491,015.53, 2,057,328.10 and 879,359.69 is: 1,213,355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,015.53 : 2,057,328.10 = 879,359.69 : x
  2. Step 2: Convert to fraction form
    1,491,015.53/2,057,328.10 = 879,359.69/x
  3. Step 3: Cross multiply
    1,491,015.53x = 2,057,328.10 × 879,359.69
  4. Step 4: Simplify right side
    1,491,015.53x = 1,809,131,400,244.29
  5. Step 5: Solve for x
    x = 1,809,131,400,244.29/1,491,015.53
  6. Step 6: Final answer
    x = 1,213,355.17

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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.