Home / 1,263,025.23-1,742,999.91-690,100.89

Finding the Fourth Proportional to 1,263,025.23, 1,742,999.91 and 690,100.89

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Solution

The fourth proportional to 1,263,025.23, 1,742,999.91 and 690,100.89 is: 952,352.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,025.23 : 1,742,999.91 = 690,100.89 : x
  2. Step 2: Convert to fraction form
    1,263,025.23/1,742,999.91 = 690,100.89/x
  3. Step 3: Cross multiply
    1,263,025.23x = 1,742,999.91 × 690,100.89
  4. Step 4: Simplify right side
    1,263,025.23x = 1,202,845,789,160.92
  5. Step 5: Solve for x
    x = 1,202,845,789,160.92/1,263,025.23
  6. Step 6: Final answer
    x = 952,352.94

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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.