Home / 1,305,337.08-1,801,479.16-761,648.03

Finding the Fourth Proportional to 1,305,337.08, 1,801,479.16 and 761,648.03

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Solution

The fourth proportional to 1,305,337.08, 1,801,479.16 and 761,648.03 is: 1,051,140.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,337.08 : 1,801,479.16 = 761,648.03 : x
  2. Step 2: Convert to fraction form
    1,305,337.08/1,801,479.16 = 761,648.03/x
  3. Step 3: Cross multiply
    1,305,337.08x = 1,801,479.16 × 761,648.03
  4. Step 4: Simplify right side
    1,305,337.08x = 1,372,093,040,484.42
  5. Step 5: Solve for x
    x = 1,372,093,040,484.42/1,305,337.08
  6. Step 6: Final answer
    x = 1,051,140.78

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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.