Home / 987,613.37-1,481,312.37-669,806.74

Finding the Fourth Proportional to 987,613.37, 1,481,312.37 and 669,806.74

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Solution

The fourth proportional to 987,613.37, 1,481,312.37 and 669,806.74 is: 1,004,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,613.37 : 1,481,312.37 = 669,806.74 : x
  2. Step 2: Convert to fraction form
    987,613.37/1,481,312.37 = 669,806.74/x
  3. Step 3: Cross multiply
    987,613.37x = 1,481,312.37 × 669,806.74
  4. Step 4: Simplify right side
    987,613.37x = 992,193,005,502.41
  5. Step 5: Solve for x
    x = 992,193,005,502.41/987,613.37
  6. Step 6: Final answer
    x = 1,004,637.07

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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.