Home / 1,418,050.88-2,127,491.04-420,804.80

Finding the Fourth Proportional to 1,418,050.88, 2,127,491.04 and 420,804.80

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Solution

The fourth proportional to 1,418,050.88, 2,127,491.04 and 420,804.80 is: 631,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,050.88 : 2,127,491.04 = 420,804.80 : x
  2. Step 2: Convert to fraction form
    1,418,050.88/2,127,491.04 = 420,804.80/x
  3. Step 3: Cross multiply
    1,418,050.88x = 2,127,491.04 × 420,804.80
  4. Step 4: Simplify right side
    1,418,050.88x = 895,258,441,588.99
  5. Step 5: Solve for x
    x = 895,258,441,588.99/1,418,050.88
  6. Step 6: Final answer
    x = 631,330.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.