Home / 1,289,296.71-1,934,784.23-490,584.87

Finding the Fourth Proportional to 1,289,296.71, 1,934,784.23 and 490,584.87

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Solution

The fourth proportional to 1,289,296.71, 1,934,784.23 and 490,584.87 is: 736,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,296.71 : 1,934,784.23 = 490,584.87 : x
  2. Step 2: Convert to fraction form
    1,289,296.71/1,934,784.23 = 490,584.87/x
  3. Step 3: Cross multiply
    1,289,296.71x = 1,934,784.23 × 490,584.87
  4. Step 4: Simplify right side
    1,289,296.71x = 949,175,867,499.68
  5. Step 5: Solve for x
    x = 949,175,867,499.68/1,289,296.71
  6. Step 6: Final answer
    x = 736,196.61

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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.