Home / 1,274,518.40-1,758,629.60-730,554.10

Finding the Fourth Proportional to 1,274,518.40, 1,758,629.60 and 730,554.10

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Solution

The fourth proportional to 1,274,518.40, 1,758,629.60 and 730,554.10 is: 1,008,046.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,518.40 : 1,758,629.60 = 730,554.10 : x
  2. Step 2: Convert to fraction form
    1,274,518.40/1,758,629.60 = 730,554.10/x
  3. Step 3: Cross multiply
    1,274,518.40x = 1,758,629.60 × 730,554.10
  4. Step 4: Simplify right side
    1,274,518.40x = 1,284,774,056,612.02
  5. Step 5: Solve for x
    x = 1,284,774,056,612.02/1,274,518.40
  6. Step 6: Final answer
    x = 1,008,046.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.