Home / 1,005,843.62-1,388,021.95-570,290.27

Finding the Fourth Proportional to 1,005,843.62, 1,388,021.95 and 570,290.27

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Solution

The fourth proportional to 1,005,843.62, 1,388,021.95 and 570,290.27 is: 786,976.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,843.62 : 1,388,021.95 = 570,290.27 : x
  2. Step 2: Convert to fraction form
    1,005,843.62/1,388,021.95 = 570,290.27/x
  3. Step 3: Cross multiply
    1,005,843.62x = 1,388,021.95 × 570,290.27
  4. Step 4: Simplify right side
    1,005,843.62x = 791,575,404,265.59
  5. Step 5: Solve for x
    x = 791,575,404,265.59/1,005,843.62
  6. Step 6: Final answer
    x = 786,976.62

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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.