Home / 823,967.40-1,236,872.70-769,823.40

Finding the Fourth Proportional to 823,967.40, 1,236,872.70 and 769,823.40

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Solution

The fourth proportional to 823,967.40, 1,236,872.70 and 769,823.40 is: 1,155,596.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,967.40 : 1,236,872.70 = 769,823.40 : x
  2. Step 2: Convert to fraction form
    823,967.40/1,236,872.70 = 769,823.40/x
  3. Step 3: Cross multiply
    823,967.40x = 1,236,872.70 × 769,823.40
  4. Step 4: Simplify right side
    823,967.40x = 952,173,547,281.18
  5. Step 5: Solve for x
    x = 952,173,547,281.18/823,967.40
  6. Step 6: Final answer
    x = 1,155,596.14

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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.