Home / 1,342,996.75-2,013,228.81-668,440.36

Finding the Fourth Proportional to 1,342,996.75, 2,013,228.81 and 668,440.36

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Solution

The fourth proportional to 1,342,996.75, 2,013,228.81 and 668,440.36 is: 1,002,030.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,996.75 : 2,013,228.81 = 668,440.36 : x
  2. Step 2: Convert to fraction form
    1,342,996.75/2,013,228.81 = 668,440.36/x
  3. Step 3: Cross multiply
    1,342,996.75x = 2,013,228.81 × 668,440.36
  4. Step 4: Simplify right side
    1,342,996.75x = 1,345,723,393,035.31
  5. Step 5: Solve for x
    x = 1,345,723,393,035.31/1,342,996.75
  6. Step 6: Final answer
    x = 1,002,030.27

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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.