Home / 1,269,712.98-1,903,847.31-981,422.46

Finding the Fourth Proportional to 1,269,712.98, 1,903,847.31 and 981,422.46

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Solution

The fourth proportional to 1,269,712.98, 1,903,847.31 and 981,422.46 is: 1,471,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,712.98 : 1,903,847.31 = 981,422.46 : x
  2. Step 2: Convert to fraction form
    1,269,712.98/1,903,847.31 = 981,422.46/x
  3. Step 3: Cross multiply
    1,269,712.98x = 1,903,847.31 × 981,422.46
  4. Step 4: Simplify right side
    1,269,712.98x = 1,868,478,510,444.58
  5. Step 5: Solve for x
    x = 1,868,478,510,444.58/1,269,712.98
  6. Step 6: Final answer
    x = 1,471,575.50

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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.