Home / 1,389,925.63-2,085,043.96-443,076.67

Finding the Fourth Proportional to 1,389,925.63, 2,085,043.96 and 443,076.67

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Solution

The fourth proportional to 1,389,925.63, 2,085,043.96 and 443,076.67 is: 664,664.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,925.63 : 2,085,043.96 = 443,076.67 : x
  2. Step 2: Convert to fraction form
    1,389,925.63/2,085,043.96 = 443,076.67/x
  3. Step 3: Cross multiply
    1,389,925.63x = 2,085,043.96 × 443,076.67
  4. Step 4: Simplify right side
    1,389,925.63x = 923,834,329,941.65
  5. Step 5: Solve for x
    x = 923,834,329,941.65/1,389,925.63
  6. Step 6: Final answer
    x = 664,664.58

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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.