Home / 1,859,612.69-2,789,051.49-511,427.22

Finding the Fourth Proportional to 1,859,612.69, 2,789,051.49 and 511,427.22

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Solution

The fourth proportional to 1,859,612.69, 2,789,051.49 and 511,427.22 is: 767,039.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,612.69 : 2,789,051.49 = 511,427.22 : x
  2. Step 2: Convert to fraction form
    1,859,612.69/2,789,051.49 = 511,427.22/x
  3. Step 3: Cross multiply
    1,859,612.69x = 2,789,051.49 × 511,427.22
  4. Step 4: Simplify right side
    1,859,612.69x = 1,426,396,849,967.56
  5. Step 5: Solve for x
    x = 1,426,396,849,967.56/1,859,612.69
  6. Step 6: Final answer
    x = 767,039.75

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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.