Home / 891,749.52-1,336,836.96-682,322.40

Finding the Fourth Proportional to 891,749.52, 1,336,836.96 and 682,322.40

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Solution

The fourth proportional to 891,749.52, 1,336,836.96 and 682,322.40 is: 1,022,881.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,749.52 : 1,336,836.96 = 682,322.40 : x
  2. Step 2: Convert to fraction form
    891,749.52/1,336,836.96 = 682,322.40/x
  3. Step 3: Cross multiply
    891,749.52x = 1,336,836.96 × 682,322.40
  4. Step 4: Simplify right side
    891,749.52x = 912,153,802,955.90
  5. Step 5: Solve for x
    x = 912,153,802,955.90/891,749.52
  6. Step 6: Final answer
    x = 1,022,881.18

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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.