Home / 1,162,698.07-1,604,541.99-639,429.36

Finding the Fourth Proportional to 1,162,698.07, 1,604,541.99 and 639,429.36

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Solution

The fourth proportional to 1,162,698.07, 1,604,541.99 and 639,429.36 is: 882,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,698.07 : 1,604,541.99 = 639,429.36 : x
  2. Step 2: Convert to fraction form
    1,162,698.07/1,604,541.99 = 639,429.36/x
  3. Step 3: Cross multiply
    1,162,698.07x = 1,604,541.99 × 639,429.36
  4. Step 4: Simplify right side
    1,162,698.07x = 1,025,991,257,758.83
  5. Step 5: Solve for x
    x = 1,025,991,257,758.83/1,162,698.07
  6. Step 6: Final answer
    x = 882,422.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.