Home / 829,933.60-1,242,135.60-730,400.80

Finding the Fourth Proportional to 829,933.60, 1,242,135.60 and 730,400.80

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Solution

The fourth proportional to 829,933.60, 1,242,135.60 and 730,400.80 is: 1,093,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,933.60 : 1,242,135.60 = 730,400.80 : x
  2. Step 2: Convert to fraction form
    829,933.60/1,242,135.60 = 730,400.80/x
  3. Step 3: Cross multiply
    829,933.60x = 1,242,135.60 × 730,400.80
  4. Step 4: Simplify right side
    829,933.60x = 907,256,835,948.48
  5. Step 5: Solve for x
    x = 907,256,835,948.48/829,933.60
  6. Step 6: Final answer
    x = 1,093,167.98

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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.