Home / 1,347,217.38-2,020,405.61-448,449.07

Finding the Fourth Proportional to 1,347,217.38, 2,020,405.61 and 448,449.07

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Solution

The fourth proportional to 1,347,217.38, 2,020,405.61 and 448,449.07 is: 672,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,217.38 : 2,020,405.61 = 448,449.07 : x
  2. Step 2: Convert to fraction form
    1,347,217.38/2,020,405.61 = 448,449.07/x
  3. Step 3: Cross multiply
    1,347,217.38x = 2,020,405.61 × 448,449.07
  4. Step 4: Simplify right side
    1,347,217.38x = 906,049,014,585.04
  5. Step 5: Solve for x
    x = 906,049,014,585.04/1,347,217.38
  6. Step 6: Final answer
    x = 672,533.64

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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.