Home / 1,380,337.72-1,904,881.26-760,212.52

Finding the Fourth Proportional to 1,380,337.72, 1,904,881.26 and 760,212.52

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Solution

The fourth proportional to 1,380,337.72, 1,904,881.26 and 760,212.52 is: 1,049,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,337.72 : 1,904,881.26 = 760,212.52 : x
  2. Step 2: Convert to fraction form
    1,380,337.72/1,904,881.26 = 760,212.52/x
  3. Step 3: Cross multiply
    1,380,337.72x = 1,904,881.26 × 760,212.52
  4. Step 4: Simplify right side
    1,380,337.72x = 1,448,114,582,965.38
  5. Step 5: Solve for x
    x = 1,448,114,582,965.38/1,380,337.72
  6. Step 6: Final answer
    x = 1,049,101.65

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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.