Home / 1,089,117.20-1,632,898.20-615,947.60

Finding the Fourth Proportional to 1,089,117.20, 1,632,898.20 and 615,947.60

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Solution

The fourth proportional to 1,089,117.20, 1,632,898.20 and 615,947.60 is: 923,481.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,117.20 : 1,632,898.20 = 615,947.60 : x
  2. Step 2: Convert to fraction form
    1,089,117.20/1,632,898.20 = 615,947.60/x
  3. Step 3: Cross multiply
    1,089,117.20x = 1,632,898.20 × 615,947.60
  4. Step 4: Simplify right side
    1,089,117.20x = 1,005,779,727,334.32
  5. Step 5: Solve for x
    x = 1,005,779,727,334.32/1,089,117.20
  6. Step 6: Final answer
    x = 923,481.63

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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.