Home / 1,224,139.23-1,689,353.16-680,297.94

Finding the Fourth Proportional to 1,224,139.23, 1,689,353.16 and 680,297.94

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Solution

The fourth proportional to 1,224,139.23, 1,689,353.16 and 680,297.94 is: 938,833.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,139.23 : 1,689,353.16 = 680,297.94 : x
  2. Step 2: Convert to fraction form
    1,224,139.23/1,689,353.16 = 680,297.94/x
  3. Step 3: Cross multiply
    1,224,139.23x = 1,689,353.16 × 680,297.94
  4. Step 4: Simplify right side
    1,224,139.23x = 1,149,263,475,956.05
  5. Step 5: Solve for x
    x = 1,149,263,475,956.05/1,224,139.23
  6. Step 6: Final answer
    x = 938,833.96

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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.