Home / 1,667,311.48-2,300,859.75-942,143.50

Finding the Fourth Proportional to 1,667,311.48, 2,300,859.75 and 942,143.50

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Solution

The fourth proportional to 1,667,311.48, 2,300,859.75 and 942,143.50 is: 1,300,141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,311.48 : 2,300,859.75 = 942,143.50 : x
  2. Step 2: Convert to fraction form
    1,667,311.48/2,300,859.75 = 942,143.50/x
  3. Step 3: Cross multiply
    1,667,311.48x = 2,300,859.75 × 942,143.50
  4. Step 4: Simplify right side
    1,667,311.48x = 2,167,740,057,874.13
  5. Step 5: Solve for x
    x = 2,167,740,057,874.13/1,667,311.48
  6. Step 6: Final answer
    x = 1,300,141.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.