Home / 1,112,085.07-1,667,800.61-472,383.72

Finding the Fourth Proportional to 1,112,085.07, 1,667,800.61 and 472,383.72

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Solution

The fourth proportional to 1,112,085.07, 1,667,800.61 and 472,383.72 is: 708,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,085.07 : 1,667,800.61 = 472,383.72 : x
  2. Step 2: Convert to fraction form
    1,112,085.07/1,667,800.61 = 472,383.72/x
  3. Step 3: Cross multiply
    1,112,085.07x = 1,667,800.61 × 472,383.72
  4. Step 4: Simplify right side
    1,112,085.07x = 787,841,856,370.07
  5. Step 5: Solve for x
    x = 787,841,856,370.07/1,112,085.07
  6. Step 6: Final answer
    x = 708,436.68

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1.5x scale

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.