Home / 1,269,708.48-1,903,840.56-981,417.96

Finding the Fourth Proportional to 1,269,708.48, 1,903,840.56 and 981,417.96

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Solution

The fourth proportional to 1,269,708.48, 1,903,840.56 and 981,417.96 is: 1,471,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,708.48 : 1,903,840.56 = 981,417.96 : x
  2. Step 2: Convert to fraction form
    1,269,708.48/1,903,840.56 = 981,417.96/x
  3. Step 3: Cross multiply
    1,269,708.48x = 1,903,840.56 × 981,417.96
  4. Step 4: Simplify right side
    1,269,708.48x = 1,868,463,318,560.46
  5. Step 5: Solve for x
    x = 1,868,463,318,560.46/1,269,708.48
  6. Step 6: Final answer
    x = 1,471,568.75

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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.