Home / 1,301,628.48-1,951,695.12-693,668.28

Finding the Fourth Proportional to 1,301,628.48, 1,951,695.12 and 693,668.28

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Solution

The fourth proportional to 1,301,628.48, 1,951,695.12 and 693,668.28 is: 1,040,104.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,628.48 : 1,951,695.12 = 693,668.28 : x
  2. Step 2: Convert to fraction form
    1,301,628.48/1,951,695.12 = 693,668.28/x
  3. Step 3: Cross multiply
    1,301,628.48x = 1,951,695.12 × 693,668.28
  4. Step 4: Simplify right side
    1,301,628.48x = 1,353,828,996,974.79
  5. Step 5: Solve for x
    x = 1,353,828,996,974.79/1,301,628.48
  6. Step 6: Final answer
    x = 1,040,104.01

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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.