Home / 1,089,893.07-1,635,254.73-490,716.43

Finding the Fourth Proportional to 1,089,893.07, 1,635,254.73 and 490,716.43

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Solution

The fourth proportional to 1,089,893.07, 1,635,254.73 and 490,716.43 is: 736,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,893.07 : 1,635,254.73 = 490,716.43 : x
  2. Step 2: Convert to fraction form
    1,089,893.07/1,635,254.73 = 490,716.43/x
  3. Step 3: Cross multiply
    1,089,893.07x = 1,635,254.73 × 490,716.43
  4. Step 4: Simplify right side
    1,089,893.07x = 802,446,359,158.08
  5. Step 5: Solve for x
    x = 802,446,359,158.08/1,089,893.07
  6. Step 6: Final answer
    x = 736,261.55

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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.