Home / 1,227,007.51-1,692,832.03-710,479.42

Finding the Fourth Proportional to 1,227,007.51, 1,692,832.03 and 710,479.42

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Solution

The fourth proportional to 1,227,007.51, 1,692,832.03 and 710,479.42 is: 980,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,007.51 : 1,692,832.03 = 710,479.42 : x
  2. Step 2: Convert to fraction form
    1,227,007.51/1,692,832.03 = 710,479.42/x
  3. Step 3: Cross multiply
    1,227,007.51x = 1,692,832.03 × 710,479.42
  4. Step 4: Simplify right side
    1,227,007.51x = 1,202,722,312,823.54
  5. Step 5: Solve for x
    x = 1,202,722,312,823.54/1,227,007.51
  6. Step 6: Final answer
    x = 980,207.79

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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.