Home / 1,682,434.70-2,321,748.05-918,488.27

Finding the Fourth Proportional to 1,682,434.70, 2,321,748.05 and 918,488.27

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Solution

The fourth proportional to 1,682,434.70, 2,321,748.05 and 918,488.27 is: 1,267,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,434.70 : 2,321,748.05 = 918,488.27 : x
  2. Step 2: Convert to fraction form
    1,682,434.70/2,321,748.05 = 918,488.27/x
  3. Step 3: Cross multiply
    1,682,434.70x = 2,321,748.05 × 918,488.27
  4. Step 4: Simplify right side
    1,682,434.70x = 2,132,498,333,619.19
  5. Step 5: Solve for x
    x = 2,132,498,333,619.19/1,682,434.70
  6. Step 6: Final answer
    x = 1,267,507.35

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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.