Home / 1,015,563.80-1,522,908.30-509,929.40

Finding the Fourth Proportional to 1,015,563.80, 1,522,908.30 and 509,929.40

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Solution

The fourth proportional to 1,015,563.80, 1,522,908.30 and 509,929.40 is: 764,674.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,563.80 : 1,522,908.30 = 509,929.40 : x
  2. Step 2: Convert to fraction form
    1,015,563.80/1,522,908.30 = 509,929.40/x
  3. Step 3: Cross multiply
    1,015,563.80x = 1,522,908.30 × 509,929.40
  4. Step 4: Simplify right side
    1,015,563.80x = 776,575,715,674.02
  5. Step 5: Solve for x
    x = 776,575,715,674.02/1,015,563.80
  6. Step 6: Final answer
    x = 764,674.48

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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.