Home / 1,079,346.60-1,618,997.28-359,740.39

Finding the Fourth Proportional to 1,079,346.60, 1,618,997.28 and 359,740.39

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Solution

The fourth proportional to 1,079,346.60, 1,618,997.28 and 359,740.39 is: 539,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,346.60 : 1,618,997.28 = 359,740.39 : x
  2. Step 2: Convert to fraction form
    1,079,346.60/1,618,997.28 = 359,740.39/x
  3. Step 3: Cross multiply
    1,079,346.60x = 1,618,997.28 × 359,740.39
  4. Step 4: Simplify right side
    1,079,346.60x = 582,418,712,916.14
  5. Step 5: Solve for x
    x = 582,418,712,916.14/1,079,346.60
  6. Step 6: Final answer
    x = 539,603.05

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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.