Home / 1,143,577.66-1,713,201.33-763,351.90

Finding the Fourth Proportional to 1,143,577.66, 1,713,201.33 and 763,351.90

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Solution

The fourth proportional to 1,143,577.66, 1,713,201.33 and 763,351.90 is: 1,143,582.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,577.66 : 1,713,201.33 = 763,351.90 : x
  2. Step 2: Convert to fraction form
    1,143,577.66/1,713,201.33 = 763,351.90/x
  3. Step 3: Cross multiply
    1,143,577.66x = 1,713,201.33 × 763,351.90
  4. Step 4: Simplify right side
    1,143,577.66x = 1,307,775,490,338.03
  5. Step 5: Solve for x
    x = 1,307,775,490,338.03/1,143,577.66
  6. Step 6: Final answer
    x = 1,143,582.58

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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.