Home / 987,614.37-1,481,313.87-669,807.74

Finding the Fourth Proportional to 987,614.37, 1,481,313.87 and 669,807.74

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Solution

The fourth proportional to 987,614.37, 1,481,313.87 and 669,807.74 is: 1,004,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,614.37 : 1,481,313.87 = 669,807.74 : x
  2. Step 2: Convert to fraction form
    987,614.37/1,481,313.87 = 669,807.74/x
  3. Step 3: Cross multiply
    987,614.37x = 1,481,313.87 × 669,807.74
  4. Step 4: Simplify right side
    987,614.37x = 992,195,495,495.35
  5. Step 5: Solve for x
    x = 992,195,495,495.35/987,614.37
  6. Step 6: Final answer
    x = 1,004,638.58

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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.