Home / 1,277,404.28-1,762,843.44-825,482.60

Finding the Fourth Proportional to 1,277,404.28, 1,762,843.44 and 825,482.60

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Solution

The fourth proportional to 1,277,404.28, 1,762,843.44 and 825,482.60 is: 1,139,182.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,404.28 : 1,762,843.44 = 825,482.60 : x
  2. Step 2: Convert to fraction form
    1,277,404.28/1,762,843.44 = 825,482.60/x
  3. Step 3: Cross multiply
    1,277,404.28x = 1,762,843.44 × 825,482.60
  4. Step 4: Simplify right side
    1,277,404.28x = 1,455,196,586,244.14
  5. Step 5: Solve for x
    x = 1,455,196,586,244.14/1,277,404.28
  6. Step 6: Final answer
    x = 1,139,182.49

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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.