Home / 1,109,871.37-1,664,807.87-268,423.93

Finding the Fourth Proportional to 1,109,871.37, 1,664,807.87 and 268,423.93

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Solution

The fourth proportional to 1,109,871.37, 1,664,807.87 and 268,423.93 is: 402,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,871.37 : 1,664,807.87 = 268,423.93 : x
  2. Step 2: Convert to fraction form
    1,109,871.37/1,664,807.87 = 268,423.93/x
  3. Step 3: Cross multiply
    1,109,871.37x = 1,664,807.87 × 268,423.93
  4. Step 4: Simplify right side
    1,109,871.37x = 446,874,271,160.33
  5. Step 5: Solve for x
    x = 446,874,271,160.33/1,109,871.37
  6. Step 6: Final answer
    x = 402,636.09

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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.