Home / 1,209,879.12-1,814,680.44-323,484.24

Finding the Fourth Proportional to 1,209,879.12, 1,814,680.44 and 323,484.24

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Solution

The fourth proportional to 1,209,879.12, 1,814,680.44 and 323,484.24 is: 485,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,879.12 : 1,814,680.44 = 323,484.24 : x
  2. Step 2: Convert to fraction form
    1,209,879.12/1,814,680.44 = 323,484.24/x
  3. Step 3: Cross multiply
    1,209,879.12x = 1,814,680.44 × 323,484.24
  4. Step 4: Simplify right side
    1,209,879.12x = 587,020,522,976.27
  5. Step 5: Solve for x
    x = 587,020,522,976.27/1,209,879.12
  6. Step 6: Final answer
    x = 485,189.40

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1.5x scale

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.