Home / 1,089,187.70-1,503,120.50-605,787.80

Finding the Fourth Proportional to 1,089,187.70, 1,503,120.50 and 605,787.80

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Solution

The fourth proportional to 1,089,187.70, 1,503,120.50 and 605,787.80 is: 836,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,187.70 : 1,503,120.50 = 605,787.80 : x
  2. Step 2: Convert to fraction form
    1,089,187.70/1,503,120.50 = 605,787.80/x
  3. Step 3: Cross multiply
    1,089,187.70x = 1,503,120.50 × 605,787.80
  4. Step 4: Simplify right side
    1,089,187.70x = 910,572,050,285.36
  5. Step 5: Solve for x
    x = 910,572,050,285.36/1,089,187.70
  6. Step 6: Final answer
    x = 836,010.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.