Home / 1,343,649.56-1,854,236.40-740,037.56

Finding the Fourth Proportional to 1,343,649.56, 1,854,236.40 and 740,037.56

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Solution

The fourth proportional to 1,343,649.56, 1,854,236.40 and 740,037.56 is: 1,021,251.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,649.56 : 1,854,236.40 = 740,037.56 : x
  2. Step 2: Convert to fraction form
    1,343,649.56/1,854,236.40 = 740,037.56/x
  3. Step 3: Cross multiply
    1,343,649.56x = 1,854,236.40 × 740,037.56
  4. Step 4: Simplify right side
    1,343,649.56x = 1,372,204,582,979.63
  5. Step 5: Solve for x
    x = 1,372,204,582,979.63/1,343,649.56
  6. Step 6: Final answer
    x = 1,021,251.84

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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.