Home / 680,069.60-1,020,104.40-641,362.40

Finding the Fourth Proportional to 680,069.60, 1,020,104.40 and 641,362.40

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Solution

The fourth proportional to 680,069.60, 1,020,104.40 and 641,362.40 is: 962,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,069.60 : 1,020,104.40 = 641,362.40 : x
  2. Step 2: Convert to fraction form
    680,069.60/1,020,104.40 = 641,362.40/x
  3. Step 3: Cross multiply
    680,069.60x = 1,020,104.40 × 641,362.40
  4. Step 4: Simplify right side
    680,069.60x = 654,256,606,234.56
  5. Step 5: Solve for x
    x = 654,256,606,234.56/680,069.60
  6. Step 6: Final answer
    x = 962,043.60

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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.