Home / 1,650,820.40-2,279,076-1,262,921.12

Finding the Fourth Proportional to 1,650,820.40, 2,279,076 and 1,262,921.12

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Solution

The fourth proportional to 1,650,820.40, 2,279,076 and 1,262,921.12 is: 1,743,553.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,820.40 : 2,279,076 = 1,262,921.12 : x
  2. Step 2: Convert to fraction form
    1,650,820.40/2,279,076 = 1,262,921.12/x
  3. Step 3: Cross multiply
    1,650,820.40x = 2,279,076 × 1,262,921.12
  4. Step 4: Simplify right side
    1,650,820.40x = 2,878,293,214,485.12
  5. Step 5: Solve for x
    x = 2,878,293,214,485.12/1,650,820.40
  6. Step 6: Final answer
    x = 1,743,553.21

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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.