Home / 1,349,372.53-2,023,760.35-389,619.89

Finding the Fourth Proportional to 1,349,372.53, 2,023,760.35 and 389,619.89

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Solution

The fourth proportional to 1,349,372.53, 2,023,760.35 and 389,619.89 is: 584,343.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,372.53 : 2,023,760.35 = 389,619.89 : x
  2. Step 2: Convert to fraction form
    1,349,372.53/2,023,760.35 = 389,619.89/x
  3. Step 3: Cross multiply
    1,349,372.53x = 2,023,760.35 × 389,619.89
  4. Step 4: Simplify right side
    1,349,372.53x = 788,497,284,953.36
  5. Step 5: Solve for x
    x = 788,497,284,953.36/1,349,372.53
  6. Step 6: Final answer
    x = 584,343.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.