Home / 1,376,221.82-2,064,387.40-429,592.64

Finding the Fourth Proportional to 1,376,221.82, 2,064,387.40 and 429,592.64

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Solution

The fourth proportional to 1,376,221.82, 2,064,387.40 and 429,592.64 is: 644,406.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,221.82 : 2,064,387.40 = 429,592.64 : x
  2. Step 2: Convert to fraction form
    1,376,221.82/2,064,387.40 = 429,592.64/x
  3. Step 3: Cross multiply
    1,376,221.82x = 2,064,387.40 × 429,592.64
  4. Step 4: Simplify right side
    1,376,221.82x = 886,845,633,148.74
  5. Step 5: Solve for x
    x = 886,845,633,148.74/1,376,221.82
  6. Step 6: Final answer
    x = 644,406.03

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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.