Home / 879,445.20-1,315,231.20-737,727.60

Finding the Fourth Proportional to 879,445.20, 1,315,231.20 and 737,727.60

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Solution

The fourth proportional to 879,445.20, 1,315,231.20 and 737,727.60 is: 1,103,289.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,445.20 : 1,315,231.20 = 737,727.60 : x
  2. Step 2: Convert to fraction form
    879,445.20/1,315,231.20 = 737,727.60/x
  3. Step 3: Cross multiply
    879,445.20x = 1,315,231.20 × 737,727.60
  4. Step 4: Simplify right side
    879,445.20x = 970,282,356,621.12
  5. Step 5: Solve for x
    x = 970,282,356,621.12/879,445.20
  6. Step 6: Final answer
    x = 1,103,289.16

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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.