Home / 1,220,753.50-1,684,459.58-676,893.26

Finding the Fourth Proportional to 1,220,753.50, 1,684,459.58 and 676,893.26

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Solution

The fourth proportional to 1,220,753.50, 1,684,459.58 and 676,893.26 is: 934,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,753.50 : 1,684,459.58 = 676,893.26 : x
  2. Step 2: Convert to fraction form
    1,220,753.50/1,684,459.58 = 676,893.26/x
  3. Step 3: Cross multiply
    1,220,753.50x = 1,684,459.58 × 676,893.26
  4. Step 4: Simplify right side
    1,220,753.50x = 1,140,199,336,444.43
  5. Step 5: Solve for x
    x = 1,140,199,336,444.43/1,220,753.50
  6. Step 6: Final answer
    x = 934,012.75

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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.