Home / 1,337,057.48-2,005,388.94-390,173.96

Finding the Fourth Proportional to 1,337,057.48, 2,005,388.94 and 390,173.96

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Solution

The fourth proportional to 1,337,057.48, 2,005,388.94 and 390,173.96 is: 585,203.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,057.48 : 2,005,388.94 = 390,173.96 : x
  2. Step 2: Convert to fraction form
    1,337,057.48/2,005,388.94 = 390,173.96/x
  3. Step 3: Cross multiply
    1,337,057.48x = 2,005,388.94 × 390,173.96
  4. Step 4: Simplify right side
    1,337,057.48x = 782,450,550,536.63
  5. Step 5: Solve for x
    x = 782,450,550,536.63/1,337,057.48
  6. Step 6: Final answer
    x = 585,203.37

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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.