Home / 1,089,167.80-1,634,529.30-615,350.20

Finding the Fourth Proportional to 1,089,167.80, 1,634,529.30 and 615,350.20

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Solution

The fourth proportional to 1,089,167.80, 1,634,529.30 and 615,350.20 is: 923,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,167.80 : 1,634,529.30 = 615,350.20 : x
  2. Step 2: Convert to fraction form
    1,089,167.80/1,634,529.30 = 615,350.20/x
  3. Step 3: Cross multiply
    1,089,167.80x = 1,634,529.30 × 615,350.20
  4. Step 4: Simplify right side
    1,089,167.80x = 1,005,807,931,660.86
  5. Step 5: Solve for x
    x = 1,005,807,931,660.86/1,089,167.80
  6. Step 6: Final answer
    x = 923,464.62

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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.