Home / 1,078,168.40-1,617,252.60-994,187.60

Finding the Fourth Proportional to 1,078,168.40, 1,617,252.60 and 994,187.60

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Solution

The fourth proportional to 1,078,168.40, 1,617,252.60 and 994,187.60 is: 1,491,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,168.40 : 1,617,252.60 = 994,187.60 : x
  2. Step 2: Convert to fraction form
    1,078,168.40/1,617,252.60 = 994,187.60/x
  3. Step 3: Cross multiply
    1,078,168.40x = 1,617,252.60 × 994,187.60
  4. Step 4: Simplify right side
    1,078,168.40x = 1,607,852,480,987.76
  5. Step 5: Solve for x
    x = 1,607,852,480,987.76/1,078,168.40
  6. Step 6: Final answer
    x = 1,491,281.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.