Home / 1,089,912.60-1,634,285.70-458,112.60

Finding the Fourth Proportional to 1,089,912.60, 1,634,285.70 and 458,112.60

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Solution

The fourth proportional to 1,089,912.60, 1,634,285.70 and 458,112.60 is: 686,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,912.60 : 1,634,285.70 = 458,112.60 : x
  2. Step 2: Convert to fraction form
    1,089,912.60/1,634,285.70 = 458,112.60/x
  3. Step 3: Cross multiply
    1,089,912.60x = 1,634,285.70 × 458,112.60
  4. Step 4: Simplify right side
    1,089,912.60x = 748,686,871,169.82
  5. Step 5: Solve for x
    x = 748,686,871,169.82/1,089,912.60
  6. Step 6: Final answer
    x = 686,923.77

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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.