Home / 1,000,162.89-1,380,076.20-607,491.45

Finding the Fourth Proportional to 1,000,162.89, 1,380,076.20 and 607,491.45

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Solution

The fourth proportional to 1,000,162.89, 1,380,076.20 and 607,491.45 is: 838,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,162.89 : 1,380,076.20 = 607,491.45 : x
  2. Step 2: Convert to fraction form
    1,000,162.89/1,380,076.20 = 607,491.45/x
  3. Step 3: Cross multiply
    1,000,162.89x = 1,380,076.20 × 607,491.45
  4. Step 4: Simplify right side
    1,000,162.89x = 838,384,491,848.49
  5. Step 5: Solve for x
    x = 838,384,491,848.49/1,000,162.89
  6. Step 6: Final answer
    x = 838,247.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.