Home / 1,010,431.50-1,394,395.60-557,722.62

Finding the Fourth Proportional to 1,010,431.50, 1,394,395.60 and 557,722.62

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Solution

The fourth proportional to 1,010,431.50, 1,394,395.60 and 557,722.62 is: 769,657.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,431.50 : 1,394,395.60 = 557,722.62 : x
  2. Step 2: Convert to fraction form
    1,010,431.50/1,394,395.60 = 557,722.62/x
  3. Step 3: Cross multiply
    1,010,431.50x = 1,394,395.60 × 557,722.62
  4. Step 4: Simplify right side
    1,010,431.50x = 777,685,967,348.47
  5. Step 5: Solve for x
    x = 777,685,967,348.47/1,010,431.50
  6. Step 6: Final answer
    x = 769,657.29

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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.