Home / 1,305,337.52-1,801,479.77-761,648.46

Finding the Fourth Proportional to 1,305,337.52, 1,801,479.77 and 761,648.46

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Solution

The fourth proportional to 1,305,337.52, 1,801,479.77 and 761,648.46 is: 1,051,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,337.52 : 1,801,479.77 = 761,648.46 : x
  2. Step 2: Convert to fraction form
    1,305,337.52/1,801,479.77 = 761,648.46/x
  3. Step 3: Cross multiply
    1,305,337.52x = 1,801,479.77 × 761,648.46
  4. Step 4: Simplify right side
    1,305,337.52x = 1,372,094,288,733.41
  5. Step 5: Solve for x
    x = 1,372,094,288,733.41/1,305,337.52
  6. Step 6: Final answer
    x = 1,051,141.39

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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.