Home / 1,220,984.75-1,684,959-677,203.85

Finding the Fourth Proportional to 1,220,984.75, 1,684,959 and 677,203.85

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Solution

The fourth proportional to 1,220,984.75, 1,684,959 and 677,203.85 is: 934,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,984.75 : 1,684,959 = 677,203.85 : x
  2. Step 2: Convert to fraction form
    1,220,984.75/1,684,959 = 677,203.85/x
  3. Step 3: Cross multiply
    1,220,984.75x = 1,684,959 × 677,203.85
  4. Step 4: Simplify right side
    1,220,984.75x = 1,141,060,721,892.15
  5. Step 5: Solve for x
    x = 1,141,060,721,892.15/1,220,984.75
  6. Step 6: Final answer
    x = 934,541.34

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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.