Home / 1,042,005.20-1,563,007.80-509,867.60

Finding the Fourth Proportional to 1,042,005.20, 1,563,007.80 and 509,867.60

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Solution

The fourth proportional to 1,042,005.20, 1,563,007.80 and 509,867.60 is: 764,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,005.20 : 1,563,007.80 = 509,867.60 : x
  2. Step 2: Convert to fraction form
    1,042,005.20/1,563,007.80 = 509,867.60/x
  3. Step 3: Cross multiply
    1,042,005.20x = 1,563,007.80 × 509,867.60
  4. Step 4: Simplify right side
    1,042,005.20x = 796,927,035,767.28
  5. Step 5: Solve for x
    x = 796,927,035,767.28/1,042,005.20
  6. Step 6: Final answer
    x = 764,801.40

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Similar ratio
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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.