Home / 1,254,864-1,731,945.60-718,320

Finding the Fourth Proportional to 1,254,864, 1,731,945.60 and 718,320

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Solution

The fourth proportional to 1,254,864, 1,731,945.60 and 718,320 is: 991,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,864 : 1,731,945.60 = 718,320 : x
  2. Step 2: Convert to fraction form
    1,254,864/1,731,945.60 = 718,320/x
  3. Step 3: Cross multiply
    1,254,864x = 1,731,945.60 × 718,320
  4. Step 4: Simplify right side
    1,254,864x = 1,244,091,163,392
  5. Step 5: Solve for x
    x = 1,244,091,163,392/1,254,864
  6. Step 6: Final answer
    x = 991,415.14

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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.