Home / 1,089,719.76-1,634,563.24-490,257.59

Finding the Fourth Proportional to 1,089,719.76, 1,634,563.24 and 490,257.59

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Solution

The fourth proportional to 1,089,719.76, 1,634,563.24 and 490,257.59 is: 735,379.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,719.76 : 1,634,563.24 = 490,257.59 : x
  2. Step 2: Convert to fraction form
    1,089,719.76/1,634,563.24 = 490,257.59/x
  3. Step 3: Cross multiply
    1,089,719.76x = 1,634,563.24 × 490,257.59
  4. Step 4: Simplify right side
    1,089,719.76x = 801,357,032,293.70
  5. Step 5: Solve for x
    x = 801,357,032,293.70/1,089,719.76
  6. Step 6: Final answer
    x = 735,379.00

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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.