Home / 1,302,783.36-1,953,979.20-763,287.36

Finding the Fourth Proportional to 1,302,783.36, 1,953,979.20 and 763,287.36

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Solution

The fourth proportional to 1,302,783.36, 1,953,979.20 and 763,287.36 is: 1,144,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,783.36 : 1,953,979.20 = 763,287.36 : x
  2. Step 2: Convert to fraction form
    1,302,783.36/1,953,979.20 = 763,287.36/x
  3. Step 3: Cross multiply
    1,302,783.36x = 1,953,979.20 × 763,287.36
  4. Step 4: Simplify right side
    1,302,783.36x = 1,491,447,625,062.91
  5. Step 5: Solve for x
    x = 1,491,447,625,062.91/1,302,783.36
  6. Step 6: Final answer
    x = 1,144,816.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.