Home / 1,274,493.60-1,911,179.52-675,316.66

Finding the Fourth Proportional to 1,274,493.60, 1,911,179.52 and 675,316.66

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Solution

The fourth proportional to 1,274,493.60, 1,911,179.52 and 675,316.66 is: 1,012,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,493.60 : 1,911,179.52 = 675,316.66 : x
  2. Step 2: Convert to fraction form
    1,274,493.60/1,911,179.52 = 675,316.66/x
  3. Step 3: Cross multiply
    1,274,493.60x = 1,911,179.52 × 675,316.66
  4. Step 4: Simplify right side
    1,274,493.60x = 1,290,651,370,106.80
  5. Step 5: Solve for x
    x = 1,290,651,370,106.80/1,274,493.60
  6. Step 6: Final answer
    x = 1,012,677.80

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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.