Home / 1,392,988.94-2,089,491.09-634,301.55

Finding the Fourth Proportional to 1,392,988.94, 2,089,491.09 and 634,301.55

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Solution

The fourth proportional to 1,392,988.94, 2,089,491.09 and 634,301.55 is: 951,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,988.94 : 2,089,491.09 = 634,301.55 : x
  2. Step 2: Convert to fraction form
    1,392,988.94/2,089,491.09 = 634,301.55/x
  3. Step 3: Cross multiply
    1,392,988.94x = 2,089,491.09 × 634,301.55
  4. Step 4: Simplify right side
    1,392,988.94x = 1,325,367,437,098.19
  5. Step 5: Solve for x
    x = 1,325,367,437,098.19/1,392,988.94
  6. Step 6: Final answer
    x = 951,455.83

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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.