Home / 1,213,398.72-1,674,488.91-669,534.33

Finding the Fourth Proportional to 1,213,398.72, 1,674,488.91 and 669,534.33

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Solution

The fourth proportional to 1,213,398.72, 1,674,488.91 and 669,534.33 is: 923,956.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,398.72 : 1,674,488.91 = 669,534.33 : x
  2. Step 2: Convert to fraction form
    1,213,398.72/1,674,488.91 = 669,534.33/x
  3. Step 3: Cross multiply
    1,213,398.72x = 1,674,488.91 × 669,534.33
  4. Step 4: Simplify right side
    1,213,398.72x = 1,121,127,810,449.28
  5. Step 5: Solve for x
    x = 1,121,127,810,449.28/1,213,398.72
  6. Step 6: Final answer
    x = 923,956.65

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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.