Home / 1,263,055.71-1,742,996.52-690,083.58

Finding the Fourth Proportional to 1,263,055.71, 1,742,996.52 and 690,083.58

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Solution

The fourth proportional to 1,263,055.71, 1,742,996.52 and 690,083.58 is: 952,304.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,055.71 : 1,742,996.52 = 690,083.58 : x
  2. Step 2: Convert to fraction form
    1,263,055.71/1,742,996.52 = 690,083.58/x
  3. Step 3: Cross multiply
    1,263,055.71x = 1,742,996.52 × 690,083.58
  4. Step 4: Simplify right side
    1,263,055.71x = 1,202,813,278,449.14
  5. Step 5: Solve for x
    x = 1,202,813,278,449.14/1,263,055.71
  6. Step 6: Final answer
    x = 952,304.22

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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.