Home / 1,286,853.18-1,775,859.48-713,893.35

Finding the Fourth Proportional to 1,286,853.18, 1,775,859.48 and 713,893.35

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Solution

The fourth proportional to 1,286,853.18, 1,775,859.48 and 713,893.35 is: 985,173.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,853.18 : 1,775,859.48 = 713,893.35 : x
  2. Step 2: Convert to fraction form
    1,286,853.18/1,775,859.48 = 713,893.35/x
  3. Step 3: Cross multiply
    1,286,853.18x = 1,775,859.48 × 713,893.35
  4. Step 4: Simplify right side
    1,286,853.18x = 1,267,774,273,306.46
  5. Step 5: Solve for x
    x = 1,267,774,273,306.46/1,286,853.18
  6. Step 6: Final answer
    x = 985,173.98

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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.