Home / 1,465,369.80-2,198,054.70-987,072.90

Finding the Fourth Proportional to 1,465,369.80, 2,198,054.70 and 987,072.90

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Solution

The fourth proportional to 1,465,369.80, 2,198,054.70 and 987,072.90 is: 1,480,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,369.80 : 2,198,054.70 = 987,072.90 : x
  2. Step 2: Convert to fraction form
    1,465,369.80/2,198,054.70 = 987,072.90/x
  3. Step 3: Cross multiply
    1,465,369.80x = 2,198,054.70 × 987,072.90
  4. Step 4: Simplify right side
    1,465,369.80x = 2,169,640,227,087.63
  5. Step 5: Solve for x
    x = 2,169,640,227,087.63/1,465,369.80
  6. Step 6: Final answer
    x = 1,480,609.35

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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.