Home / 1,449,428.46-2,173,284.09-438,243.90

Finding the Fourth Proportional to 1,449,428.46, 2,173,284.09 and 438,243.90

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Solution

The fourth proportional to 1,449,428.46, 2,173,284.09 and 438,243.90 is: 657,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,428.46 : 2,173,284.09 = 438,243.90 : x
  2. Step 2: Convert to fraction form
    1,449,428.46/2,173,284.09 = 438,243.90/x
  3. Step 3: Cross multiply
    1,449,428.46x = 2,173,284.09 × 438,243.90
  4. Step 4: Simplify right side
    1,449,428.46x = 952,428,495,409.55
  5. Step 5: Solve for x
    x = 952,428,495,409.55/1,449,428.46
  6. Step 6: Final answer
    x = 657,106.25

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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.