Home / 1,220,876.61-1,684,777.76-677,010.68

Finding the Fourth Proportional to 1,220,876.61, 1,684,777.76 and 677,010.68

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Solution

The fourth proportional to 1,220,876.61, 1,684,777.76 and 677,010.68 is: 934,257.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,876.61 : 1,684,777.76 = 677,010.68 : x
  2. Step 2: Convert to fraction form
    1,220,876.61/1,684,777.76 = 677,010.68/x
  3. Step 3: Cross multiply
    1,220,876.61x = 1,684,777.76 × 677,010.68
  4. Step 4: Simplify right side
    1,220,876.61x = 1,140,612,536,946.48
  5. Step 5: Solve for x
    x = 1,140,612,536,946.48/1,220,876.61
  6. Step 6: Final answer
    x = 934,257.01

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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.