Home / 1,036,662.80-1,555,685.40-475,408.40

Finding the Fourth Proportional to 1,036,662.80, 1,555,685.40 and 475,408.40

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Solution

The fourth proportional to 1,036,662.80, 1,555,685.40 and 475,408.40 is: 713,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,662.80 : 1,555,685.40 = 475,408.40 : x
  2. Step 2: Convert to fraction form
    1,036,662.80/1,555,685.40 = 475,408.40/x
  3. Step 3: Cross multiply
    1,036,662.80x = 1,555,685.40 × 475,408.40
  4. Step 4: Simplify right side
    1,036,662.80x = 739,585,906,917.36
  5. Step 5: Solve for x
    x = 739,585,906,917.36/1,036,662.80
  6. Step 6: Final answer
    x = 713,429.58

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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.