Home / 1,089,182.80-1,631,441.40-879,230.80

Finding the Fourth Proportional to 1,089,182.80, 1,631,441.40 and 879,230.80

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Solution

The fourth proportional to 1,089,182.80, 1,631,441.40 and 879,230.80 is: 1,316,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,182.80 : 1,631,441.40 = 879,230.80 : x
  2. Step 2: Convert to fraction form
    1,089,182.80/1,631,441.40 = 879,230.80/x
  3. Step 3: Cross multiply
    1,089,182.80x = 1,631,441.40 × 879,230.80
  4. Step 4: Simplify right side
    1,089,182.80x = 1,434,413,527,275.12
  5. Step 5: Solve for x
    x = 1,434,413,527,275.12/1,089,182.80
  6. Step 6: Final answer
    x = 1,316,963.07

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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.