Home / 1,513,638.21-2,089,326.89-901,982.84

Finding the Fourth Proportional to 1,513,638.21, 2,089,326.89 and 901,982.84

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Solution

The fourth proportional to 1,513,638.21, 2,089,326.89 and 901,982.84 is: 1,245,037.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,638.21 : 2,089,326.89 = 901,982.84 : x
  2. Step 2: Convert to fraction form
    1,513,638.21/2,089,326.89 = 901,982.84/x
  3. Step 3: Cross multiply
    1,513,638.21x = 2,089,326.89 × 901,982.84
  4. Step 4: Simplify right side
    1,513,638.21x = 1,884,536,986,974.02
  5. Step 5: Solve for x
    x = 1,884,536,986,974.02/1,513,638.21
  6. Step 6: Final answer
    x = 1,245,037.93

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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.