Home / 783,070.20-1,177,110.90-727,601.40

Finding the Fourth Proportional to 783,070.20, 1,177,110.90 and 727,601.40

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Solution

The fourth proportional to 783,070.20, 1,177,110.90 and 727,601.40 is: 1,093,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,070.20 : 1,177,110.90 = 727,601.40 : x
  2. Step 2: Convert to fraction form
    783,070.20/1,177,110.90 = 727,601.40/x
  3. Step 3: Cross multiply
    783,070.20x = 1,177,110.90 × 727,601.40
  4. Step 4: Simplify right side
    783,070.20x = 856,467,538,795.26
  5. Step 5: Solve for x
    x = 856,467,538,795.26/783,070.20
  6. Step 6: Final answer
    x = 1,093,730.22

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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.