Home / 1,242,907.70-1,864,401.64-344,358.09

Finding the Fourth Proportional to 1,242,907.70, 1,864,401.64 and 344,358.09

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Solution

The fourth proportional to 1,242,907.70, 1,864,401.64 and 344,358.09 is: 516,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,907.70 : 1,864,401.64 = 344,358.09 : x
  2. Step 2: Convert to fraction form
    1,242,907.70/1,864,401.64 = 344,358.09/x
  3. Step 3: Cross multiply
    1,242,907.70x = 1,864,401.64 × 344,358.09
  4. Step 4: Simplify right side
    1,242,907.70x = 642,021,786,882.37
  5. Step 5: Solve for x
    x = 642,021,786,882.37/1,242,907.70
  6. Step 6: Final answer
    x = 516,548.24

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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.