Home / 1,308,660.96-1,962,187.32-509,010.36

Finding the Fourth Proportional to 1,308,660.96, 1,962,187.32 and 509,010.36

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Solution

The fourth proportional to 1,308,660.96, 1,962,187.32 and 509,010.36 is: 763,202.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,660.96 : 1,962,187.32 = 509,010.36 : x
  2. Step 2: Convert to fraction form
    1,308,660.96/1,962,187.32 = 509,010.36/x
  3. Step 3: Cross multiply
    1,308,660.96x = 1,962,187.32 × 509,010.36
  4. Step 4: Simplify right side
    1,308,660.96x = 998,773,674,140.64
  5. Step 5: Solve for x
    x = 998,773,674,140.64/1,308,660.96
  6. Step 6: Final answer
    x = 763,202.77

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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.