Home / 930,022.56-1,391,408.07-815,259.33

Finding the Fourth Proportional to 930,022.56, 1,391,408.07 and 815,259.33

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Solution

The fourth proportional to 930,022.56, 1,391,408.07 and 815,259.33 is: 1,219,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,022.56 : 1,391,408.07 = 815,259.33 : x
  2. Step 2: Convert to fraction form
    930,022.56/1,391,408.07 = 815,259.33/x
  3. Step 3: Cross multiply
    930,022.56x = 1,391,408.07 × 815,259.33
  4. Step 4: Simplify right side
    930,022.56x = 1,134,358,410,904.79
  5. Step 5: Solve for x
    x = 1,134,358,410,904.79/930,022.56
  6. Step 6: Final answer
    x = 1,219,710.64

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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.