Home / 1,089,430.60-1,632,177.60-931,966.60

Finding the Fourth Proportional to 1,089,430.60, 1,632,177.60 and 931,966.60

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Solution

The fourth proportional to 1,089,430.60, 1,632,177.60 and 931,966.60 is: 1,396,266.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,430.60 : 1,632,177.60 = 931,966.60 : x
  2. Step 2: Convert to fraction form
    1,089,430.60/1,632,177.60 = 931,966.60/x
  3. Step 3: Cross multiply
    1,089,430.60x = 1,632,177.60 × 931,966.60
  4. Step 4: Simplify right side
    1,089,430.60x = 1,521,135,008,468.16
  5. Step 5: Solve for x
    x = 1,521,135,008,468.16/1,089,430.60
  6. Step 6: Final answer
    x = 1,396,266.09

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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.