Home / 1,428,617.33-2,142,938.01-363,659.57

Finding the Fourth Proportional to 1,428,617.33, 2,142,938.01 and 363,659.57

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Solution

The fourth proportional to 1,428,617.33, 2,142,938.01 and 363,659.57 is: 545,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,617.33 : 2,142,938.01 = 363,659.57 : x
  2. Step 2: Convert to fraction form
    1,428,617.33/2,142,938.01 = 363,659.57/x
  3. Step 3: Cross multiply
    1,428,617.33x = 2,142,938.01 × 363,659.57
  4. Step 4: Simplify right side
    1,428,617.33x = 779,299,902,720.27
  5. Step 5: Solve for x
    x = 779,299,902,720.27/1,428,617.33
  6. Step 6: Final answer
    x = 545,492.41

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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.