Home / 746,628.20-1,119,942.30-657,981.80

Finding the Fourth Proportional to 746,628.20, 1,119,942.30 and 657,981.80

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Solution

The fourth proportional to 746,628.20, 1,119,942.30 and 657,981.80 is: 986,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,628.20 : 1,119,942.30 = 657,981.80 : x
  2. Step 2: Convert to fraction form
    746,628.20/1,119,942.30 = 657,981.80/x
  3. Step 3: Cross multiply
    746,628.20x = 1,119,942.30 × 657,981.80
  4. Step 4: Simplify right side
    746,628.20x = 736,901,650,450.14
  5. Step 5: Solve for x
    x = 736,901,650,450.14/746,628.20
  6. Step 6: Final answer
    x = 986,972.70

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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.