Home / 1,293,054.66-1,784,287.71-720,148.14

Finding the Fourth Proportional to 1,293,054.66, 1,784,287.71 and 720,148.14

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Solution

The fourth proportional to 1,293,054.66, 1,784,287.71 and 720,148.14 is: 993,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,054.66 : 1,784,287.71 = 720,148.14 : x
  2. Step 2: Convert to fraction form
    1,293,054.66/1,784,287.71 = 720,148.14/x
  3. Step 3: Cross multiply
    1,293,054.66x = 1,784,287.71 × 720,148.14
  4. Step 4: Simplify right side
    1,293,054.66x = 1,284,951,475,581.36
  5. Step 5: Solve for x
    x = 1,284,951,475,581.36/1,293,054.66
  6. Step 6: Final answer
    x = 993,733.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.