Home / 1,665,420.45-2,497,757.01-765,998.07

Finding the Fourth Proportional to 1,665,420.45, 2,497,757.01 and 765,998.07

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Solution

The fourth proportional to 1,665,420.45, 2,497,757.01 and 765,998.07 is: 1,148,825.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,420.45 : 2,497,757.01 = 765,998.07 : x
  2. Step 2: Convert to fraction form
    1,665,420.45/2,497,757.01 = 765,998.07/x
  3. Step 3: Cross multiply
    1,665,420.45x = 2,497,757.01 × 765,998.07
  4. Step 4: Simplify right side
    1,665,420.45x = 1,913,277,045,158.98
  5. Step 5: Solve for x
    x = 1,913,277,045,158.98/1,665,420.45
  6. Step 6: Final answer
    x = 1,148,825.24

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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.