Home / 786,005.40-1,177,695.90-673,156.20

Finding the Fourth Proportional to 786,005.40, 1,177,695.90 and 673,156.20

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Solution

The fourth proportional to 786,005.40, 1,177,695.90 and 673,156.20 is: 1,008,610.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,005.40 : 1,177,695.90 = 673,156.20 : x
  2. Step 2: Convert to fraction form
    786,005.40/1,177,695.90 = 673,156.20/x
  3. Step 3: Cross multiply
    786,005.40x = 1,177,695.90 × 673,156.20
  4. Step 4: Simplify right side
    786,005.40x = 792,773,296,799.58
  5. Step 5: Solve for x
    x = 792,773,296,799.58/786,005.40
  6. Step 6: Final answer
    x = 1,008,610.50

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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.