Home / 1,305,337.58-1,801,479.85-761,648.53

Finding the Fourth Proportional to 1,305,337.58, 1,801,479.85 and 761,648.53

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Solution

The fourth proportional to 1,305,337.58, 1,801,479.85 and 761,648.53 is: 1,051,141.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,337.58 : 1,801,479.85 = 761,648.53 : x
  2. Step 2: Convert to fraction form
    1,305,337.58/1,801,479.85 = 761,648.53/x
  3. Step 3: Cross multiply
    1,305,337.58x = 1,801,479.85 × 761,648.53
  4. Step 4: Simplify right side
    1,305,337.58x = 1,372,094,466,761.48
  5. Step 5: Solve for x
    x = 1,372,094,466,761.48/1,305,337.58
  6. Step 6: Final answer
    x = 1,051,141.47

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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.