Home / 1,253,630.50-1,730,017.00-680,670.69

Finding the Fourth Proportional to 1,253,630.50, 1,730,017.00 and 680,670.69

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Solution

The fourth proportional to 1,253,630.50, 1,730,017.00 and 680,670.69 is: 939,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,630.50 : 1,730,017.00 = 680,670.69 : x
  2. Step 2: Convert to fraction form
    1,253,630.50/1,730,017.00 = 680,670.69/x
  3. Step 3: Cross multiply
    1,253,630.50x = 1,730,017.00 × 680,670.69
  4. Step 4: Simplify right side
    1,253,630.50x = 1,177,571,859,465.00
  5. Step 5: Solve for x
    x = 1,177,571,859,465.00/1,253,630.50
  6. Step 6: Final answer
    x = 939,329.30

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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.