Home / 1,118,824.78-1,543,980.14-635,389.79

Finding the Fourth Proportional to 1,118,824.78, 1,543,980.14 and 635,389.79

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Solution

The fourth proportional to 1,118,824.78, 1,543,980.14 and 635,389.79 is: 876,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,824.78 : 1,543,980.14 = 635,389.79 : x
  2. Step 2: Convert to fraction form
    1,118,824.78/1,543,980.14 = 635,389.79/x
  3. Step 3: Cross multiply
    1,118,824.78x = 1,543,980.14 × 635,389.79
  4. Step 4: Simplify right side
    1,118,824.78x = 981,029,221,878.64
  5. Step 5: Solve for x
    x = 981,029,221,878.64/1,118,824.78
  6. Step 6: Final answer
    x = 876,839.02

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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.