Home / 1,111,951.80-1,667,927.70-1,025,346.60

Finding the Fourth Proportional to 1,111,951.80, 1,667,927.70 and 1,025,346.60

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Solution

The fourth proportional to 1,111,951.80, 1,667,927.70 and 1,025,346.60 is: 1,538,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,951.80 : 1,667,927.70 = 1,025,346.60 : x
  2. Step 2: Convert to fraction form
    1,111,951.80/1,667,927.70 = 1,025,346.60/x
  3. Step 3: Cross multiply
    1,111,951.80x = 1,667,927.70 × 1,025,346.60
  4. Step 4: Simplify right side
    1,111,951.80x = 1,710,203,996,240.82
  5. Step 5: Solve for x
    x = 1,710,203,996,240.82/1,111,951.80
  6. Step 6: Final answer
    x = 1,538,019.90

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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.