Home / 1,084,962.77-1,627,760.15-485,783.79

Finding the Fourth Proportional to 1,084,962.77, 1,627,760.15 and 485,783.79

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Solution

The fourth proportional to 1,084,962.77, 1,627,760.15 and 485,783.79 is: 728,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,962.77 : 1,627,760.15 = 485,783.79 : x
  2. Step 2: Convert to fraction form
    1,084,962.77/1,627,760.15 = 485,783.79/x
  3. Step 3: Cross multiply
    1,084,962.77x = 1,627,760.15 × 485,783.79
  4. Step 4: Simplify right side
    1,084,962.77x = 790,739,492,449.05
  5. Step 5: Solve for x
    x = 790,739,492,449.05/1,084,962.77
  6. Step 6: Final answer
    x = 728,817.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.