Home / 1,508,765.42-2,082,032.92-855,435.40

Finding the Fourth Proportional to 1,508,765.42, 2,082,032.92 and 855,435.40

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Solution

The fourth proportional to 1,508,765.42, 2,082,032.92 and 855,435.40 is: 1,180,464.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,765.42 : 2,082,032.92 = 855,435.40 : x
  2. Step 2: Convert to fraction form
    1,508,765.42/2,082,032.92 = 855,435.40/x
  3. Step 3: Cross multiply
    1,508,765.42x = 2,082,032.92 × 855,435.40
  4. Step 4: Simplify right side
    1,508,765.42x = 1,781,044,659,597.58
  5. Step 5: Solve for x
    x = 1,781,044,659,597.58/1,508,765.42
  6. Step 6: Final answer
    x = 1,180,464.92

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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.