Home / 1,330,661.52-1,836,313.92-718,814.16

Finding the Fourth Proportional to 1,330,661.52, 1,836,313.92 and 718,814.16

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Solution

The fourth proportional to 1,330,661.52, 1,836,313.92 and 718,814.16 is: 991,964.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,661.52 : 1,836,313.92 = 718,814.16 : x
  2. Step 2: Convert to fraction form
    1,330,661.52/1,836,313.92 = 718,814.16/x
  3. Step 3: Cross multiply
    1,330,661.52x = 1,836,313.92 × 718,814.16
  4. Step 4: Simplify right side
    1,330,661.52x = 1,319,968,447,901.11
  5. Step 5: Solve for x
    x = 1,319,968,447,901.11/1,330,661.52
  6. Step 6: Final answer
    x = 991,964.09

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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.