Home / 1,225,426.76-1,691,059.36-681,560.92

Finding the Fourth Proportional to 1,225,426.76, 1,691,059.36 and 681,560.92

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Solution

The fourth proportional to 1,225,426.76, 1,691,059.36 and 681,560.92 is: 940,537.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,426.76 : 1,691,059.36 = 681,560.92 : x
  2. Step 2: Convert to fraction form
    1,225,426.76/1,691,059.36 = 681,560.92/x
  3. Step 3: Cross multiply
    1,225,426.76x = 1,691,059.36 × 681,560.92
  4. Step 4: Simplify right side
    1,225,426.76x = 1,152,559,973,176.21
  5. Step 5: Solve for x
    x = 1,152,559,973,176.21/1,225,426.76
  6. Step 6: Final answer
    x = 940,537.62

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Double scale
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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.