Home / 1,321,423.32-1,982,134.98-573,469.32

Finding the Fourth Proportional to 1,321,423.32, 1,982,134.98 and 573,469.32

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Solution

The fourth proportional to 1,321,423.32, 1,982,134.98 and 573,469.32 is: 860,203.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,423.32 : 1,982,134.98 = 573,469.32 : x
  2. Step 2: Convert to fraction form
    1,321,423.32/1,982,134.98 = 573,469.32/x
  3. Step 3: Cross multiply
    1,321,423.32x = 1,982,134.98 × 573,469.32
  4. Step 4: Simplify right side
    1,321,423.32x = 1,136,693,599,128.81
  5. Step 5: Solve for x
    x = 1,136,693,599,128.81/1,321,423.32
  6. Step 6: Final answer
    x = 860,203.98

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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.