Home / 1,289,297.71-1,934,785.73-490,585.87

Finding the Fourth Proportional to 1,289,297.71, 1,934,785.73 and 490,585.87

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Solution

The fourth proportional to 1,289,297.71, 1,934,785.73 and 490,585.87 is: 736,198.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,297.71 : 1,934,785.73 = 490,585.87 : x
  2. Step 2: Convert to fraction form
    1,289,297.71/1,934,785.73 = 490,585.87/x
  3. Step 3: Cross multiply
    1,289,297.71x = 1,934,785.73 × 490,585.87
  4. Step 4: Simplify right side
    1,289,297.71x = 949,178,540,615.64
  5. Step 5: Solve for x
    x = 949,178,540,615.64/1,289,297.71
  6. Step 6: Final answer
    x = 736,198.11

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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.