Home / 1,089,748.51-1,634,606.33-490,286.34

Finding the Fourth Proportional to 1,089,748.51, 1,634,606.33 and 490,286.34

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Solution

The fourth proportional to 1,089,748.51, 1,634,606.33 and 490,286.34 is: 735,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,748.51 : 1,634,606.33 = 490,286.34 : x
  2. Step 2: Convert to fraction form
    1,089,748.51/1,634,606.33 = 490,286.34/x
  3. Step 3: Cross multiply
    1,089,748.51x = 1,634,606.33 × 490,286.34
  4. Step 4: Simplify right side
    1,089,748.51x = 801,425,152,425.10
  5. Step 5: Solve for x
    x = 801,425,152,425.10/1,089,748.51
  6. Step 6: Final answer
    x = 735,422.12

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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.