Home / 1,089,749.51-1,634,607.82-490,287.34

Finding the Fourth Proportional to 1,089,749.51, 1,634,607.82 and 490,287.34

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Solution

The fourth proportional to 1,089,749.51, 1,634,607.82 and 490,287.34 is: 735,423.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,749.51 : 1,634,607.82 = 490,287.34 : x
  2. Step 2: Convert to fraction form
    1,089,749.51/1,634,607.82 = 490,287.34/x
  3. Step 3: Cross multiply
    1,089,749.51x = 1,634,607.82 × 490,287.34
  4. Step 4: Simplify right side
    1,089,749.51x = 801,427,520,011.00
  5. Step 5: Solve for x
    x = 801,427,520,011.00/1,089,749.51
  6. Step 6: Final answer
    x = 735,423.61

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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.