Home / 1,039,294.78-1,434,211.64-580,404.49

Finding the Fourth Proportional to 1,039,294.78, 1,434,211.64 and 580,404.49

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Solution

The fourth proportional to 1,039,294.78, 1,434,211.64 and 580,404.49 is: 800,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,294.78 : 1,434,211.64 = 580,404.49 : x
  2. Step 2: Convert to fraction form
    1,039,294.78/1,434,211.64 = 580,404.49/x
  3. Step 3: Cross multiply
    1,039,294.78x = 1,434,211.64 × 580,404.49
  4. Step 4: Simplify right side
    1,039,294.78x = 832,422,871,155.23
  5. Step 5: Solve for x
    x = 832,422,871,155.23/1,039,294.78
  6. Step 6: Final answer
    x = 800,949.73

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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.