Home / 1,283,351.06-1,771,002.97-710,378.90

Finding the Fourth Proportional to 1,283,351.06, 1,771,002.97 and 710,378.90

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Solution

The fourth proportional to 1,283,351.06, 1,771,002.97 and 710,378.90 is: 980,310.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,351.06 : 1,771,002.97 = 710,378.90 : x
  2. Step 2: Convert to fraction form
    1,283,351.06/1,771,002.97 = 710,378.90/x
  3. Step 3: Cross multiply
    1,283,351.06x = 1,771,002.97 × 710,378.90
  4. Step 4: Simplify right side
    1,283,351.06x = 1,258,083,141,725.33
  5. Step 5: Solve for x
    x = 1,258,083,141,725.33/1,283,351.06
  6. Step 6: Final answer
    x = 980,310.98

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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.