Home / 1,580,412.82-2,180,975.12-855,260.34

Finding the Fourth Proportional to 1,580,412.82, 2,180,975.12 and 855,260.34

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Solution

The fourth proportional to 1,580,412.82, 2,180,975.12 and 855,260.34 is: 1,180,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,412.82 : 2,180,975.12 = 855,260.34 : x
  2. Step 2: Convert to fraction form
    1,580,412.82/2,180,975.12 = 855,260.34/x
  3. Step 3: Cross multiply
    1,580,412.82x = 2,180,975.12 × 855,260.34
  4. Step 4: Simplify right side
    1,580,412.82x = 1,865,301,531,816.99
  5. Step 5: Solve for x
    x = 1,865,301,531,816.99/1,580,412.82
  6. Step 6: Final answer
    x = 1,180,262.21

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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.