Home / 1,005,659.82-1,387,790.40-546,783.48

Finding the Fourth Proportional to 1,005,659.82, 1,387,790.40 and 546,783.48

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Solution

The fourth proportional to 1,005,659.82, 1,387,790.40 and 546,783.48 is: 754,550.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,659.82 : 1,387,790.40 = 546,783.48 : x
  2. Step 2: Convert to fraction form
    1,005,659.82/1,387,790.40 = 546,783.48/x
  3. Step 3: Cross multiply
    1,005,659.82x = 1,387,790.40 × 546,783.48
  4. Step 4: Simplify right side
    1,005,659.82x = 758,820,864,422.59
  5. Step 5: Solve for x
    x = 758,820,864,422.59/1,005,659.82
  6. Step 6: Final answer
    x = 754,550.25

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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.