Home / 1,086,905.25-1,499,976.09-603,470.45

Finding the Fourth Proportional to 1,086,905.25, 1,499,976.09 and 603,470.45

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Solution

The fourth proportional to 1,086,905.25, 1,499,976.09 and 603,470.45 is: 832,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,905.25 : 1,499,976.09 = 603,470.45 : x
  2. Step 2: Convert to fraction form
    1,086,905.25/1,499,976.09 = 603,470.45/x
  3. Step 3: Cross multiply
    1,086,905.25x = 1,499,976.09 × 603,470.45
  4. Step 4: Simplify right side
    1,086,905.25x = 905,191,249,771.48
  5. Step 5: Solve for x
    x = 905,191,249,771.48/1,086,905.25
  6. Step 6: Final answer
    x = 832,815.23

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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.