Home / 1,339,669.44-2,009,422.80-475,147.20

Finding the Fourth Proportional to 1,339,669.44, 2,009,422.80 and 475,147.20

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Solution

The fourth proportional to 1,339,669.44, 2,009,422.80 and 475,147.20 is: 712,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,669.44 : 2,009,422.80 = 475,147.20 : x
  2. Step 2: Convert to fraction form
    1,339,669.44/2,009,422.80 = 475,147.20/x
  3. Step 3: Cross multiply
    1,339,669.44x = 2,009,422.80 × 475,147.20
  4. Step 4: Simplify right side
    1,339,669.44x = 954,771,617,036.16
  5. Step 5: Solve for x
    x = 954,771,617,036.16/1,339,669.44
  6. Step 6: Final answer
    x = 712,691.94

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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.