Home / 1,263,024.24-1,742,998.54-690,099.90

Finding the Fourth Proportional to 1,263,024.24, 1,742,998.54 and 690,099.90

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Solution

The fourth proportional to 1,263,024.24, 1,742,998.54 and 690,099.90 is: 952,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,024.24 : 1,742,998.54 = 690,099.90 : x
  2. Step 2: Convert to fraction form
    1,263,024.24/1,742,998.54 = 690,099.90/x
  3. Step 3: Cross multiply
    1,263,024.24x = 1,742,998.54 × 690,099.90
  4. Step 4: Simplify right side
    1,263,024.24x = 1,202,843,118,154.15
  5. Step 5: Solve for x
    x = 1,202,843,118,154.15/1,263,024.24
  6. Step 6: Final answer
    x = 952,351.57

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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.