Home / 907,946.20-1,361,919.30-772,643.80

Finding the Fourth Proportional to 907,946.20, 1,361,919.30 and 772,643.80

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Solution

The fourth proportional to 907,946.20, 1,361,919.30 and 772,643.80 is: 1,158,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,946.20 : 1,361,919.30 = 772,643.80 : x
  2. Step 2: Convert to fraction form
    907,946.20/1,361,919.30 = 772,643.80/x
  3. Step 3: Cross multiply
    907,946.20x = 1,361,919.30 × 772,643.80
  4. Step 4: Simplify right side
    907,946.20x = 1,052,278,503,245.34
  5. Step 5: Solve for x
    x = 1,052,278,503,245.34/907,946.20
  6. Step 6: Final answer
    x = 1,158,965.70

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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.