Home / 1,379,532.18-1,903,587.30-767,540.46

Finding the Fourth Proportional to 1,379,532.18, 1,903,587.30 and 767,540.46

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Solution

The fourth proportional to 1,379,532.18, 1,903,587.30 and 767,540.46 is: 1,059,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,532.18 : 1,903,587.30 = 767,540.46 : x
  2. Step 2: Convert to fraction form
    1,379,532.18/1,903,587.30 = 767,540.46/x
  3. Step 3: Cross multiply
    1,379,532.18x = 1,903,587.30 × 767,540.46
  4. Step 4: Simplify right side
    1,379,532.18x = 1,461,080,271,892.16
  5. Step 5: Solve for x
    x = 1,461,080,271,892.16/1,379,532.18
  6. Step 6: Final answer
    x = 1,059,112.86

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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.