Home / 1,163,135.20-1,744,702.80-808,549.60

Finding the Fourth Proportional to 1,163,135.20, 1,744,702.80 and 808,549.60

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Solution

The fourth proportional to 1,163,135.20, 1,744,702.80 and 808,549.60 is: 1,212,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,135.20 : 1,744,702.80 = 808,549.60 : x
  2. Step 2: Convert to fraction form
    1,163,135.20/1,744,702.80 = 808,549.60/x
  3. Step 3: Cross multiply
    1,163,135.20x = 1,744,702.80 × 808,549.60
  4. Step 4: Simplify right side
    1,163,135.20x = 1,410,678,751,058.88
  5. Step 5: Solve for x
    x = 1,410,678,751,058.88/1,163,135.20
  6. Step 6: Final answer
    x = 1,212,824.40

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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.