Home / 1,233,059.12-1,850,638.48-485,630

Finding the Fourth Proportional to 1,233,059.12, 1,850,638.48 and 485,630

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Solution

The fourth proportional to 1,233,059.12, 1,850,638.48 and 485,630 is: 728,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,059.12 : 1,850,638.48 = 485,630 : x
  2. Step 2: Convert to fraction form
    1,233,059.12/1,850,638.48 = 485,630/x
  3. Step 3: Cross multiply
    1,233,059.12x = 1,850,638.48 × 485,630
  4. Step 4: Simplify right side
    1,233,059.12x = 898,725,565,042.40
  5. Step 5: Solve for x
    x = 898,725,565,042.40/1,233,059.12
  6. Step 6: Final answer
    x = 728,858.45

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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.