Home / 1,425,396.96-2,138,077.61-345,918.46

Finding the Fourth Proportional to 1,425,396.96, 2,138,077.61 and 345,918.46

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Solution

The fourth proportional to 1,425,396.96, 2,138,077.61 and 345,918.46 is: 518,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,396.96 : 2,138,077.61 = 345,918.46 : x
  2. Step 2: Convert to fraction form
    1,425,396.96/2,138,077.61 = 345,918.46/x
  3. Step 3: Cross multiply
    1,425,396.96x = 2,138,077.61 × 345,918.46
  4. Step 4: Simplify right side
    1,425,396.96x = 739,600,514,211.68
  5. Step 5: Solve for x
    x = 739,600,514,211.68/1,425,396.96
  6. Step 6: Final answer
    x = 518,873.36

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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.