Home / 1,305,337.42-1,801,479.63-761,648.37

Finding the Fourth Proportional to 1,305,337.42, 1,801,479.63 and 761,648.37

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Solution

The fourth proportional to 1,305,337.42, 1,801,479.63 and 761,648.37 is: 1,051,141.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,337.42 : 1,801,479.63 = 761,648.37 : x
  2. Step 2: Convert to fraction form
    1,305,337.42/1,801,479.63 = 761,648.37/x
  3. Step 3: Cross multiply
    1,305,337.42x = 1,801,479.63 × 761,648.37
  4. Step 4: Simplify right side
    1,305,337.42x = 1,372,094,015,594.06
  5. Step 5: Solve for x
    x = 1,372,094,015,594.06/1,305,337.42
  6. Step 6: Final answer
    x = 1,051,141.26

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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.