Home / 1,256,786.08-1,882,800.52-742,912.76

Finding the Fourth Proportional to 1,256,786.08, 1,882,800.52 and 742,912.76

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Solution

The fourth proportional to 1,256,786.08, 1,882,800.52 and 742,912.76 is: 1,112,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,786.08 : 1,882,800.52 = 742,912.76 : x
  2. Step 2: Convert to fraction form
    1,256,786.08/1,882,800.52 = 742,912.76/x
  3. Step 3: Cross multiply
    1,256,786.08x = 1,882,800.52 × 742,912.76
  4. Step 4: Simplify right side
    1,256,786.08x = 1,398,756,533,692.35
  5. Step 5: Solve for x
    x = 1,398,756,533,692.35/1,256,786.08
  6. Step 6: Final answer
    x = 1,112,963.10

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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.