Home / 1,344,007.80-2,016,011.70-868,116.60

Finding the Fourth Proportional to 1,344,007.80, 2,016,011.70 and 868,116.60

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Solution

The fourth proportional to 1,344,007.80, 2,016,011.70 and 868,116.60 is: 1,302,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,007.80 : 2,016,011.70 = 868,116.60 : x
  2. Step 2: Convert to fraction form
    1,344,007.80/2,016,011.70 = 868,116.60/x
  3. Step 3: Cross multiply
    1,344,007.80x = 2,016,011.70 × 868,116.60
  4. Step 4: Simplify right side
    1,344,007.80x = 1,750,133,222,564.22
  5. Step 5: Solve for x
    x = 1,750,133,222,564.22/1,344,007.80
  6. Step 6: Final answer
    x = 1,302,174.90

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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.