Home / 1,145,176-1,580,391.60-635,878

Finding the Fourth Proportional to 1,145,176, 1,580,391.60 and 635,878

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Solution

The fourth proportional to 1,145,176, 1,580,391.60 and 635,878 is: 877,538.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,176 : 1,580,391.60 = 635,878 : x
  2. Step 2: Convert to fraction form
    1,145,176/1,580,391.60 = 635,878/x
  3. Step 3: Cross multiply
    1,145,176x = 1,580,391.60 × 635,878
  4. Step 4: Simplify right side
    1,145,176x = 1,004,936,249,824.80
  5. Step 5: Solve for x
    x = 1,004,936,249,824.80/1,145,176
  6. Step 6: Final answer
    x = 877,538.69

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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.