Home / 1,655,905.60-2,483,858.40-1,089,035.20

Finding the Fourth Proportional to 1,655,905.60, 2,483,858.40 and 1,089,035.20

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Solution

The fourth proportional to 1,655,905.60, 2,483,858.40 and 1,089,035.20 is: 1,633,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,905.60 : 2,483,858.40 = 1,089,035.20 : x
  2. Step 2: Convert to fraction form
    1,655,905.60/2,483,858.40 = 1,089,035.20/x
  3. Step 3: Cross multiply
    1,655,905.60x = 2,483,858.40 × 1,089,035.20
  4. Step 4: Simplify right side
    1,655,905.60x = 2,705,009,229,415.68
  5. Step 5: Solve for x
    x = 2,705,009,229,415.68/1,655,905.60
  6. Step 6: Final answer
    x = 1,633,552.80

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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.