Home / 1,381,092.92-1,905,959.70-760,923.32

Finding the Fourth Proportional to 1,381,092.92, 1,905,959.70 and 760,923.32

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Solution

The fourth proportional to 1,381,092.92, 1,905,959.70 and 760,923.32 is: 1,050,102.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,092.92 : 1,905,959.70 = 760,923.32 : x
  2. Step 2: Convert to fraction form
    1,381,092.92/1,905,959.70 = 760,923.32/x
  3. Step 3: Cross multiply
    1,381,092.92x = 1,905,959.70 × 760,923.32
  4. Step 4: Simplify right side
    1,381,092.92x = 1,450,289,182,710.20
  5. Step 5: Solve for x
    x = 1,450,289,182,710.20/1,381,092.92
  6. Step 6: Final answer
    x = 1,050,102.54

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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.