Home / 1,297,200.62-1,790,001.06-753,230.37

Finding the Fourth Proportional to 1,297,200.62, 1,790,001.06 and 753,230.37

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Solution

The fourth proportional to 1,297,200.62, 1,790,001.06 and 753,230.37 is: 1,039,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,200.62 : 1,790,001.06 = 753,230.37 : x
  2. Step 2: Convert to fraction form
    1,297,200.62/1,790,001.06 = 753,230.37/x
  3. Step 3: Cross multiply
    1,297,200.62x = 1,790,001.06 × 753,230.37
  4. Step 4: Simplify right side
    1,297,200.62x = 1,348,283,160,724.19
  5. Step 5: Solve for x
    x = 1,348,283,160,724.19/1,297,200.62
  6. Step 6: Final answer
    x = 1,039,379.06

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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.