Home / 786,795.88-1,180,189.92-679,854.42

Finding the Fourth Proportional to 786,795.88, 1,180,189.92 and 679,854.42

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Solution

The fourth proportional to 786,795.88, 1,180,189.92 and 679,854.42 is: 1,019,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,795.88 : 1,180,189.92 = 679,854.42 : x
  2. Step 2: Convert to fraction form
    786,795.88/1,180,189.92 = 679,854.42/x
  3. Step 3: Cross multiply
    786,795.88x = 1,180,189.92 × 679,854.42
  4. Step 4: Simplify right side
    786,795.88x = 802,357,333,551.45
  5. Step 5: Solve for x
    x = 802,357,333,551.45/786,795.88
  6. Step 6: Final answer
    x = 1,019,778.26

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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.