Home / 1,305,339.52-1,801,482.53-761,650.46

Finding the Fourth Proportional to 1,305,339.52, 1,801,482.53 and 761,650.46

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Solution

The fourth proportional to 1,305,339.52, 1,801,482.53 and 761,650.46 is: 1,051,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,339.52 : 1,801,482.53 = 761,650.46 : x
  2. Step 2: Convert to fraction form
    1,305,339.52/1,801,482.53 = 761,650.46/x
  3. Step 3: Cross multiply
    1,305,339.52x = 1,801,482.53 × 761,650.46
  4. Step 4: Simplify right side
    1,305,339.52x = 1,372,099,997,656.46
  5. Step 5: Solve for x
    x = 1,372,099,997,656.46/1,305,339.52
  6. Step 6: Final answer
    x = 1,051,144.15

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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.