Home / 810,851.20-1,214,527.20-670,883.20

Finding the Fourth Proportional to 810,851.20, 1,214,527.20 and 670,883.20

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Solution

The fourth proportional to 810,851.20, 1,214,527.20 and 670,883.20 is: 1,004,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,851.20 : 1,214,527.20 = 670,883.20 : x
  2. Step 2: Convert to fraction form
    810,851.20/1,214,527.20 = 670,883.20/x
  3. Step 3: Cross multiply
    810,851.20x = 1,214,527.20 × 670,883.20
  4. Step 4: Simplify right side
    810,851.20x = 814,805,894,423.04
  5. Step 5: Solve for x
    x = 814,805,894,423.04/810,851.20
  6. Step 6: Final answer
    x = 1,004,877.21

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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.