Home / 1,376,338.53-2,064,507.48-429,790.35

Finding the Fourth Proportional to 1,376,338.53, 2,064,507.48 and 429,790.35

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Solution

The fourth proportional to 1,376,338.53, 2,064,507.48 and 429,790.35 is: 644,685.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,338.53 : 2,064,507.48 = 429,790.35 : x
  2. Step 2: Convert to fraction form
    1,376,338.53/2,064,507.48 = 429,790.35/x
  3. Step 3: Cross multiply
    1,376,338.53x = 2,064,507.48 × 429,790.35
  4. Step 4: Simplify right side
    1,376,338.53x = 887,305,392,406.82
  5. Step 5: Solve for x
    x = 887,305,392,406.82/1,376,338.53
  6. Step 6: Final answer
    x = 644,685.43

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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.