Home / 1,907,455.92-2,861,176.58-487,509.72

Finding the Fourth Proportional to 1,907,455.92, 2,861,176.58 and 487,509.72

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Solution

The fourth proportional to 1,907,455.92, 2,861,176.58 and 487,509.72 is: 731,262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,455.92 : 2,861,176.58 = 487,509.72 : x
  2. Step 2: Convert to fraction form
    1,907,455.92/2,861,176.58 = 487,509.72/x
  3. Step 3: Cross multiply
    1,907,455.92x = 2,861,176.58 × 487,509.72
  4. Step 4: Simplify right side
    1,907,455.92x = 1,394,851,390,948.81
  5. Step 5: Solve for x
    x = 1,394,851,390,948.81/1,907,455.92
  6. Step 6: Final answer
    x = 731,262.71

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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.