Home / 1,313,036.20-1,968,765.88-513,364.24

Finding the Fourth Proportional to 1,313,036.20, 1,968,765.88 and 513,364.24

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Solution

The fourth proportional to 1,313,036.20, 1,968,765.88 and 513,364.24 is: 769,738.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,036.20 : 1,968,765.88 = 513,364.24 : x
  2. Step 2: Convert to fraction form
    1,313,036.20/1,968,765.88 = 513,364.24/x
  3. Step 3: Cross multiply
    1,313,036.20x = 1,968,765.88 × 513,364.24
  4. Step 4: Simplify right side
    1,313,036.20x = 1,010,693,999,724.13
  5. Step 5: Solve for x
    x = 1,010,693,999,724.13/1,313,036.20
  6. Step 6: Final answer
    x = 769,738.11

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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.