Home / 1,434,644.70-2,147,301.45-1,117,383.90

Finding the Fourth Proportional to 1,434,644.70, 2,147,301.45 and 1,117,383.90

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Solution

The fourth proportional to 1,434,644.70, 2,147,301.45 and 1,117,383.90 is: 1,672,442.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,644.70 : 2,147,301.45 = 1,117,383.90 : x
  2. Step 2: Convert to fraction form
    1,434,644.70/2,147,301.45 = 1,117,383.90/x
  3. Step 3: Cross multiply
    1,434,644.70x = 2,147,301.45 × 1,117,383.90
  4. Step 4: Simplify right side
    1,434,644.70x = 2,399,360,068,676.65
  5. Step 5: Solve for x
    x = 2,399,360,068,676.65/1,434,644.70
  6. Step 6: Final answer
    x = 1,672,442.01

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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.