Home / 1,555,678.20-2,330,892.90-755,236.20

Finding the Fourth Proportional to 1,555,678.20, 2,330,892.90 and 755,236.20

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Solution

The fourth proportional to 1,555,678.20, 2,330,892.90 and 755,236.20 is: 1,131,580.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,678.20 : 2,330,892.90 = 755,236.20 : x
  2. Step 2: Convert to fraction form
    1,555,678.20/2,330,892.90 = 755,236.20/x
  3. Step 3: Cross multiply
    1,555,678.20x = 2,330,892.90 × 755,236.20
  4. Step 4: Simplify right side
    1,555,678.20x = 1,760,374,696,402.98
  5. Step 5: Solve for x
    x = 1,760,374,696,402.98/1,555,678.20
  6. Step 6: Final answer
    x = 1,131,580.23

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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.