Home / 772,845.80-1,159,268.70-744,852.20

Finding the Fourth Proportional to 772,845.80, 1,159,268.70 and 744,852.20

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Solution

The fourth proportional to 772,845.80, 1,159,268.70 and 744,852.20 is: 1,117,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,845.80 : 1,159,268.70 = 744,852.20 : x
  2. Step 2: Convert to fraction form
    772,845.80/1,159,268.70 = 744,852.20/x
  3. Step 3: Cross multiply
    772,845.80x = 1,159,268.70 × 744,852.20
  4. Step 4: Simplify right side
    772,845.80x = 863,483,841,586.14
  5. Step 5: Solve for x
    x = 863,483,841,586.14/772,845.80
  6. Step 6: Final answer
    x = 1,117,278.30

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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.