Home / 1,231,810.29-1,687,551.75-1,185,756.68

Finding the Fourth Proportional to 1,231,810.29, 1,687,551.75 and 1,185,756.68

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Solution

The fourth proportional to 1,231,810.29, 1,687,551.75 and 1,185,756.68 is: 1,624,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,810.29 : 1,687,551.75 = 1,185,756.68 : x
  2. Step 2: Convert to fraction form
    1,231,810.29/1,687,551.75 = 1,185,756.68/x
  3. Step 3: Cross multiply
    1,231,810.29x = 1,687,551.75 × 1,185,756.68
  4. Step 4: Simplify right side
    1,231,810.29x = 2,001,025,764,627.07
  5. Step 5: Solve for x
    x = 2,001,025,764,627.07/1,231,810.29
  6. Step 6: Final answer
    x = 1,624,459.37

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.