Home / 1,254,446.64-1,731,070.80-681,485.04

Finding the Fourth Proportional to 1,254,446.64, 1,731,070.80 and 681,485.04

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Solution

The fourth proportional to 1,254,446.64, 1,731,070.80 and 681,485.04 is: 940,413.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,446.64 : 1,731,070.80 = 681,485.04 : x
  2. Step 2: Convert to fraction form
    1,254,446.64/1,731,070.80 = 681,485.04/x
  3. Step 3: Cross multiply
    1,254,446.64x = 1,731,070.80 × 681,485.04
  4. Step 4: Simplify right side
    1,254,446.64x = 1,179,698,853,380.83
  5. Step 5: Solve for x
    x = 1,179,698,853,380.83/1,254,446.64
  6. Step 6: Final answer
    x = 940,413.74

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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.