Home / 1,326,590.22-1,989,866.80-756,755.22

Finding the Fourth Proportional to 1,326,590.22, 1,989,866.80 and 756,755.22

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Solution

The fourth proportional to 1,326,590.22, 1,989,866.80 and 756,755.22 is: 1,135,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,590.22 : 1,989,866.80 = 756,755.22 : x
  2. Step 2: Convert to fraction form
    1,326,590.22/1,989,866.80 = 756,755.22/x
  3. Step 3: Cross multiply
    1,326,590.22x = 1,989,866.80 × 756,755.22
  4. Step 4: Simplify right side
    1,326,590.22x = 1,505,842,088,004.70
  5. Step 5: Solve for x
    x = 1,505,842,088,004.70/1,326,590.22
  6. Step 6: Final answer
    x = 1,135,122.26

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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.