Home / 1,343,757.60-1,854,381.60-740,145.60

Finding the Fourth Proportional to 1,343,757.60, 1,854,381.60 and 740,145.60

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Solution

The fourth proportional to 1,343,757.60, 1,854,381.60 and 740,145.60 is: 1,021,398.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,757.60 : 1,854,381.60 = 740,145.60 : x
  2. Step 2: Convert to fraction form
    1,343,757.60/1,854,381.60 = 740,145.60/x
  3. Step 3: Cross multiply
    1,343,757.60x = 1,854,381.60 × 740,145.60
  4. Step 4: Simplify right side
    1,343,757.60x = 1,372,512,381,960.96
  5. Step 5: Solve for x
    x = 1,372,512,381,960.96/1,343,757.60
  6. Step 6: Final answer
    x = 1,021,398.79

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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.