Home / 785,828.20-1,176,992.70-680,852.20

Finding the Fourth Proportional to 785,828.20, 1,176,992.70 and 680,852.20

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Solution

The fourth proportional to 785,828.20, 1,176,992.70 and 680,852.20 is: 1,019,762.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,828.20 : 1,176,992.70 = 680,852.20 : x
  2. Step 2: Convert to fraction form
    785,828.20/1,176,992.70 = 680,852.20/x
  3. Step 3: Cross multiply
    785,828.20x = 1,176,992.70 × 680,852.20
  4. Step 4: Simplify right side
    785,828.20x = 801,358,069,178.94
  5. Step 5: Solve for x
    x = 801,358,069,178.94/785,828.20
  6. Step 6: Final answer
    x = 1,019,762.42

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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.