Home / 987,607.49-1,481,303.57-669,800.85

Finding the Fourth Proportional to 987,607.49, 1,481,303.57 and 669,800.85

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Solution

The fourth proportional to 987,607.49, 1,481,303.57 and 669,800.85 is: 1,004,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,607.49 : 1,481,303.57 = 669,800.85 : x
  2. Step 2: Convert to fraction form
    987,607.49/1,481,303.57 = 669,800.85/x
  3. Step 3: Cross multiply
    987,607.49x = 1,481,303.57 × 669,800.85
  4. Step 4: Simplify right side
    987,607.49x = 992,178,381,390.14
  5. Step 5: Solve for x
    x = 992,178,381,390.14/987,607.49
  6. Step 6: Final answer
    x = 1,004,628.25

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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.