Home / 1,129,928.40-1,694,895.40-277,003.80

Finding the Fourth Proportional to 1,129,928.40, 1,694,895.40 and 277,003.80

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Solution

The fourth proportional to 1,129,928.40, 1,694,895.40 and 277,003.80 is: 415,506.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,928.40 : 1,694,895.40 = 277,003.80 : x
  2. Step 2: Convert to fraction form
    1,129,928.40/1,694,895.40 = 277,003.80/x
  3. Step 3: Cross multiply
    1,129,928.40x = 1,694,895.40 × 277,003.80
  4. Step 4: Simplify right side
    1,129,928.40x = 469,492,466,402.52
  5. Step 5: Solve for x
    x = 469,492,466,402.52/1,129,928.40
  6. Step 6: Final answer
    x = 415,506.39

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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.