Home / 1,755,455.25-2,421,842.44-1,020,287.37

Finding the Fourth Proportional to 1,755,455.25, 2,421,842.44 and 1,020,287.37

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Solution

The fourth proportional to 1,755,455.25, 2,421,842.44 and 1,020,287.37 is: 1,407,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,455.25 : 2,421,842.44 = 1,020,287.37 : x
  2. Step 2: Convert to fraction form
    1,755,455.25/2,421,842.44 = 1,020,287.37/x
  3. Step 3: Cross multiply
    1,755,455.25x = 2,421,842.44 × 1,020,287.37
  4. Step 4: Simplify right side
    1,755,455.25x = 2,470,975,253,661.98
  5. Step 5: Solve for x
    x = 2,470,975,253,661.98/1,755,455.25
  6. Step 6: Final answer
    x = 1,407,597.97

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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.