Home / 826,015.20-1,236,949.20-788,690.40

Finding the Fourth Proportional to 826,015.20, 1,236,949.20 and 788,690.40

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Solution

The fourth proportional to 826,015.20, 1,236,949.20 and 788,690.40 is: 1,181,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,015.20 : 1,236,949.20 = 788,690.40 : x
  2. Step 2: Convert to fraction form
    826,015.20/1,236,949.20 = 788,690.40/x
  3. Step 3: Cross multiply
    826,015.20x = 1,236,949.20 × 788,690.40
  4. Step 4: Simplify right side
    826,015.20x = 975,569,959,327.68
  5. Step 5: Solve for x
    x = 975,569,959,327.68/826,015.20
  6. Step 6: Final answer
    x = 1,181,055.70

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1.5x scale

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.