Home / 1,107,763.90-1,661,645.85-948,331.60

Finding the Fourth Proportional to 1,107,763.90, 1,661,645.85 and 948,331.60

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Solution

The fourth proportional to 1,107,763.90, 1,661,645.85 and 948,331.60 is: 1,422,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,763.90 : 1,661,645.85 = 948,331.60 : x
  2. Step 2: Convert to fraction form
    1,107,763.90/1,661,645.85 = 948,331.60/x
  3. Step 3: Cross multiply
    1,107,763.90x = 1,661,645.85 × 948,331.60
  4. Step 4: Simplify right side
    1,107,763.90x = 1,575,791,267,563.86
  5. Step 5: Solve for x
    x = 1,575,791,267,563.86/1,107,763.90
  6. Step 6: Final answer
    x = 1,422,497.40

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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.