Home / 823,969.40-1,236,875.70-769,825.40

Finding the Fourth Proportional to 823,969.40, 1,236,875.70 and 769,825.40

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Solution

The fourth proportional to 823,969.40, 1,236,875.70 and 769,825.40 is: 1,155,599.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,969.40 : 1,236,875.70 = 769,825.40 : x
  2. Step 2: Convert to fraction form
    823,969.40/1,236,875.70 = 769,825.40/x
  3. Step 3: Cross multiply
    823,969.40x = 1,236,875.70 × 769,825.40
  4. Step 4: Simplify right side
    823,969.40x = 952,178,330,502.78
  5. Step 5: Solve for x
    x = 952,178,330,502.78/823,969.40
  6. Step 6: Final answer
    x = 1,155,599.14

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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.