Home / 1,211,253.35-1,671,004.40-720,947.94

Finding the Fourth Proportional to 1,211,253.35, 1,671,004.40 and 720,947.94

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Solution

The fourth proportional to 1,211,253.35, 1,671,004.40 and 720,947.94 is: 994,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,253.35 : 1,671,004.40 = 720,947.94 : x
  2. Step 2: Convert to fraction form
    1,211,253.35/1,671,004.40 = 720,947.94/x
  3. Step 3: Cross multiply
    1,211,253.35x = 1,671,004.40 × 720,947.94
  4. Step 4: Simplify right side
    1,211,253.35x = 1,204,707,174,290.76
  5. Step 5: Solve for x
    x = 1,204,707,174,290.76/1,211,253.35
  6. Step 6: Final answer
    x = 994,595.54

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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.