Home / 1,201,387.72-1,802,141.46-359,859.28

Finding the Fourth Proportional to 1,201,387.72, 1,802,141.46 and 359,859.28

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Solution

The fourth proportional to 1,201,387.72, 1,802,141.46 and 359,859.28 is: 539,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,387.72 : 1,802,141.46 = 359,859.28 : x
  2. Step 2: Convert to fraction form
    1,201,387.72/1,802,141.46 = 359,859.28/x
  3. Step 3: Cross multiply
    1,201,387.72x = 1,802,141.46 × 359,859.28
  4. Step 4: Simplify right side
    1,201,387.72x = 648,517,328,253.75
  5. Step 5: Solve for x
    x = 648,517,328,253.75/1,201,387.72
  6. Step 6: Final answer
    x = 539,806.86

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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.