Home / 1,090,075.26-1,502,744.82-766,781.94

Finding the Fourth Proportional to 1,090,075.26, 1,502,744.82 and 766,781.94

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Solution

The fourth proportional to 1,090,075.26, 1,502,744.82 and 766,781.94 is: 1,057,062.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,075.26 : 1,502,744.82 = 766,781.94 : x
  2. Step 2: Convert to fraction form
    1,090,075.26/1,502,744.82 = 766,781.94/x
  3. Step 3: Cross multiply
    1,090,075.26x = 1,502,744.82 × 766,781.94
  4. Step 4: Simplify right side
    1,090,075.26x = 1,152,277,588,404.55
  5. Step 5: Solve for x
    x = 1,152,277,588,404.55/1,090,075.26
  6. Step 6: Final answer
    x = 1,057,062.42

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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.