Home / 1,041,799.20-1,563,735.60-509,920.80

Finding the Fourth Proportional to 1,041,799.20, 1,563,735.60 and 509,920.80

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Solution

The fourth proportional to 1,041,799.20, 1,563,735.60 and 509,920.80 is: 765,388.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,799.20 : 1,563,735.60 = 509,920.80 : x
  2. Step 2: Convert to fraction form
    1,041,799.20/1,563,735.60 = 509,920.80/x
  3. Step 3: Cross multiply
    1,041,799.20x = 1,563,735.60 × 509,920.80
  4. Step 4: Simplify right side
    1,041,799.20x = 797,381,308,140.48
  5. Step 5: Solve for x
    x = 797,381,308,140.48/1,041,799.20
  6. Step 6: Final answer
    x = 765,388.67

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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.