Home / 1,170,948.16-1,615,915.20-634,404.16

Finding the Fourth Proportional to 1,170,948.16, 1,615,915.20 and 634,404.16

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Solution

The fourth proportional to 1,170,948.16, 1,615,915.20 and 634,404.16 is: 875,481.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,948.16 : 1,615,915.20 = 634,404.16 : x
  2. Step 2: Convert to fraction form
    1,170,948.16/1,615,915.20 = 634,404.16/x
  3. Step 3: Cross multiply
    1,170,948.16x = 1,615,915.20 × 634,404.16
  4. Step 4: Simplify right side
    1,170,948.16x = 1,025,143,325,087.23
  5. Step 5: Solve for x
    x = 1,025,143,325,087.23/1,170,948.16
  6. Step 6: Final answer
    x = 875,481.39

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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.