Home / 1,089,693.71-1,634,908.40-482,398.26

Finding the Fourth Proportional to 1,089,693.71, 1,634,908.40 and 482,398.26

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Solution

The fourth proportional to 1,089,693.71, 1,634,908.40 and 482,398.26 is: 723,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,693.71 : 1,634,908.40 = 482,398.26 : x
  2. Step 2: Convert to fraction form
    1,089,693.71/1,634,908.40 = 482,398.26/x
  3. Step 3: Cross multiply
    1,089,693.71x = 1,634,908.40 × 482,398.26
  4. Step 4: Simplify right side
    1,089,693.71x = 788,676,967,997.15
  5. Step 5: Solve for x
    x = 788,676,967,997.15/1,089,693.71
  6. Step 6: Final answer
    x = 723,760.23

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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.