Home / 1,089,749.63-1,634,608.01-490,287.47

Finding the Fourth Proportional to 1,089,749.63, 1,634,608.01 and 490,287.47

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Solution

The fourth proportional to 1,089,749.63, 1,634,608.01 and 490,287.47 is: 735,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,749.63 : 1,634,608.01 = 490,287.47 : x
  2. Step 2: Convert to fraction form
    1,089,749.63/1,634,608.01 = 490,287.47/x
  3. Step 3: Cross multiply
    1,089,749.63x = 1,634,608.01 × 490,287.47
  4. Step 4: Simplify right side
    1,089,749.63x = 801,427,818,717.31
  5. Step 5: Solve for x
    x = 801,427,818,717.31/1,089,749.63
  6. Step 6: Final answer
    x = 735,423.80

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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.