Home / 1,188,730.24-1,783,089.20-290,176.72

Finding the Fourth Proportional to 1,188,730.24, 1,783,089.20 and 290,176.72

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Solution

The fourth proportional to 1,188,730.24, 1,783,089.20 and 290,176.72 is: 435,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,730.24 : 1,783,089.20 = 290,176.72 : x
  2. Step 2: Convert to fraction form
    1,188,730.24/1,783,089.20 = 290,176.72/x
  3. Step 3: Cross multiply
    1,188,730.24x = 1,783,089.20 × 290,176.72
  4. Step 4: Simplify right side
    1,188,730.24x = 517,410,975,523.42
  5. Step 5: Solve for x
    x = 517,410,975,523.42/1,188,730.24
  6. Step 6: Final answer
    x = 435,263.58

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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.