Home / 1,818,378.60-2,727,308.70-620,356.20

Finding the Fourth Proportional to 1,818,378.60, 2,727,308.70 and 620,356.20

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Solution

The fourth proportional to 1,818,378.60, 2,727,308.70 and 620,356.20 is: 930,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,378.60 : 2,727,308.70 = 620,356.20 : x
  2. Step 2: Convert to fraction form
    1,818,378.60/2,727,308.70 = 620,356.20/x
  3. Step 3: Cross multiply
    1,818,378.60x = 2,727,308.70 × 620,356.20
  4. Step 4: Simplify right side
    1,818,378.60x = 1,691,902,861,358.94
  5. Step 5: Solve for x
    x = 1,691,902,861,358.94/1,818,378.60
  6. Step 6: Final answer
    x = 930,445.87

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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.