Home / 1,376,444.61-2,064,667.05-429,896.43

Finding the Fourth Proportional to 1,376,444.61, 2,064,667.05 and 429,896.43

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Solution

The fourth proportional to 1,376,444.61, 2,064,667.05 and 429,896.43 is: 644,844.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,444.61 : 2,064,667.05 = 429,896.43 : x
  2. Step 2: Convert to fraction form
    1,376,444.61/2,064,667.05 = 429,896.43/x
  3. Step 3: Cross multiply
    1,376,444.61x = 2,064,667.05 × 429,896.43
  4. Step 4: Simplify right side
    1,376,444.61x = 887,592,993,933.63
  5. Step 5: Solve for x
    x = 887,592,993,933.63/1,376,444.61
  6. Step 6: Final answer
    x = 644,844.69

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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.