Home / 1,295,111.40-1,942,667.10-1,270,228.20

Finding the Fourth Proportional to 1,295,111.40, 1,942,667.10 and 1,270,228.20

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Solution

The fourth proportional to 1,295,111.40, 1,942,667.10 and 1,270,228.20 is: 1,905,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,111.40 : 1,942,667.10 = 1,270,228.20 : x
  2. Step 2: Convert to fraction form
    1,295,111.40/1,942,667.10 = 1,270,228.20/x
  3. Step 3: Cross multiply
    1,295,111.40x = 1,942,667.10 × 1,270,228.20
  4. Step 4: Simplify right side
    1,295,111.40x = 2,467,630,533,632.22
  5. Step 5: Solve for x
    x = 2,467,630,533,632.22/1,295,111.40
  6. Step 6: Final answer
    x = 1,905,342.30

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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.