Home / 1,247,907.45-1,721,964.16-704,011.48

Finding the Fourth Proportional to 1,247,907.45, 1,721,964.16 and 704,011.48

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Solution

The fourth proportional to 1,247,907.45, 1,721,964.16 and 704,011.48 is: 971,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,907.45 : 1,721,964.16 = 704,011.48 : x
  2. Step 2: Convert to fraction form
    1,247,907.45/1,721,964.16 = 704,011.48/x
  3. Step 3: Cross multiply
    1,247,907.45x = 1,721,964.16 × 704,011.48
  4. Step 4: Simplify right side
    1,247,907.45x = 1,212,282,536,788.56
  5. Step 5: Solve for x
    x = 1,212,282,536,788.56/1,247,907.45
  6. Step 6: Final answer
    x = 971,452.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.