Home / 1,220,752.82-1,684,659.06-676,911.53

Finding the Fourth Proportional to 1,220,752.82, 1,684,659.06 and 676,911.53

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Solution

The fourth proportional to 1,220,752.82, 1,684,659.06 and 676,911.53 is: 934,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,752.82 : 1,684,659.06 = 676,911.53 : x
  2. Step 2: Convert to fraction form
    1,220,752.82/1,684,659.06 = 676,911.53/x
  3. Step 3: Cross multiply
    1,220,752.82x = 1,684,659.06 × 676,911.53
  4. Step 4: Simplify right side
    1,220,752.82x = 1,140,365,146,044.61
  5. Step 5: Solve for x
    x = 1,140,365,146,044.61/1,220,752.82
  6. Step 6: Final answer
    x = 934,149.10

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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.