Home / 1,802,321.28-2,487,824.28-1,038,679.20

Finding the Fourth Proportional to 1,802,321.28, 2,487,824.28 and 1,038,679.20

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Solution

The fourth proportional to 1,802,321.28, 2,487,824.28 and 1,038,679.20 is: 1,433,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,321.28 : 2,487,824.28 = 1,038,679.20 : x
  2. Step 2: Convert to fraction form
    1,802,321.28/2,487,824.28 = 1,038,679.20/x
  3. Step 3: Cross multiply
    1,802,321.28x = 2,487,824.28 × 1,038,679.20
  4. Step 4: Simplify right side
    1,802,321.28x = 2,584,051,332,890.98
  5. Step 5: Solve for x
    x = 2,584,051,332,890.98/1,802,321.28
  6. Step 6: Final answer
    x = 1,433,735.13

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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.