Home / 1,099,546.40-1,648,799.76-425,943.20

Finding the Fourth Proportional to 1,099,546.40, 1,648,799.76 and 425,943.20

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Solution

The fourth proportional to 1,099,546.40, 1,648,799.76 and 425,943.20 is: 638,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,546.40 : 1,648,799.76 = 425,943.20 : x
  2. Step 2: Convert to fraction form
    1,099,546.40/1,648,799.76 = 425,943.20/x
  3. Step 3: Cross multiply
    1,099,546.40x = 1,648,799.76 × 425,943.20
  4. Step 4: Simplify right side
    1,099,546.40x = 702,295,045,933.63
  5. Step 5: Solve for x
    x = 702,295,045,933.63/1,099,546.40
  6. Step 6: Final answer
    x = 638,713.42

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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.