Home / 1,180,330.20-1,770,932.70-381,637.80

Finding the Fourth Proportional to 1,180,330.20, 1,770,932.70 and 381,637.80

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Solution

The fourth proportional to 1,180,330.20, 1,770,932.70 and 381,637.80 is: 572,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,330.20 : 1,770,932.70 = 381,637.80 : x
  2. Step 2: Convert to fraction form
    1,180,330.20/1,770,932.70 = 381,637.80/x
  3. Step 3: Cross multiply
    1,180,330.20x = 1,770,932.70 × 381,637.80
  4. Step 4: Simplify right side
    1,180,330.20x = 675,854,859,576.06
  5. Step 5: Solve for x
    x = 675,854,859,576.06/1,180,330.20
  6. Step 6: Final answer
    x = 572,598.13

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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.