Home / 1,354,444.32-2,028,959.51-814,404.89

Finding the Fourth Proportional to 1,354,444.32, 2,028,959.51 and 814,404.89

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Solution

The fourth proportional to 1,354,444.32, 2,028,959.51 and 814,404.89 is: 1,219,979.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,444.32 : 2,028,959.51 = 814,404.89 : x
  2. Step 2: Convert to fraction form
    1,354,444.32/2,028,959.51 = 814,404.89/x
  3. Step 3: Cross multiply
    1,354,444.32x = 2,028,959.51 × 814,404.89
  4. Step 4: Simplify right side
    1,354,444.32x = 1,652,394,534,375.19
  5. Step 5: Solve for x
    x = 1,652,394,534,375.19/1,354,444.32
  6. Step 6: Final answer
    x = 1,219,979.67

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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.