Home / 843,429.40-1,265,435.70-814,269.40

Finding the Fourth Proportional to 843,429.40, 1,265,435.70 and 814,269.40

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Solution

The fourth proportional to 843,429.40, 1,265,435.70 and 814,269.40 is: 1,221,685.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,429.40 : 1,265,435.70 = 814,269.40 : x
  2. Step 2: Convert to fraction form
    843,429.40/1,265,435.70 = 814,269.40/x
  3. Step 3: Cross multiply
    843,429.40x = 1,265,435.70 × 814,269.40
  4. Step 4: Simplify right side
    843,429.40x = 1,030,405,568,177.58
  5. Step 5: Solve for x
    x = 1,030,405,568,177.58/843,429.40
  6. Step 6: Final answer
    x = 1,221,685.62

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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.