Home / 1,310,491.89-1,809,036.79-881,021.18

Finding the Fourth Proportional to 1,310,491.89, 1,809,036.79 and 881,021.18

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Solution

The fourth proportional to 1,310,491.89, 1,809,036.79 and 881,021.18 is: 1,216,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,491.89 : 1,809,036.79 = 881,021.18 : x
  2. Step 2: Convert to fraction form
    1,310,491.89/1,809,036.79 = 881,021.18/x
  3. Step 3: Cross multiply
    1,310,491.89x = 1,809,036.79 × 881,021.18
  4. Step 4: Simplify right side
    1,310,491.89x = 1,593,799,729,709.25
  5. Step 5: Solve for x
    x = 1,593,799,729,709.25/1,310,491.89
  6. Step 6: Final answer
    x = 1,216,184.35

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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.