Home / 1,308,333.12-1,962,499.68-409,782.30

Finding the Fourth Proportional to 1,308,333.12, 1,962,499.68 and 409,782.30

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Solution

The fourth proportional to 1,308,333.12, 1,962,499.68 and 409,782.30 is: 614,673.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,333.12 : 1,962,499.68 = 409,782.30 : x
  2. Step 2: Convert to fraction form
    1,308,333.12/1,962,499.68 = 409,782.30/x
  3. Step 3: Cross multiply
    1,308,333.12x = 1,962,499.68 × 409,782.30
  4. Step 4: Simplify right side
    1,308,333.12x = 804,197,632,619.66
  5. Step 5: Solve for x
    x = 804,197,632,619.66/1,308,333.12
  6. Step 6: Final answer
    x = 614,673.45

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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.