Home / 1,375,932.10-2,064,092.55-429,204.10

Finding the Fourth Proportional to 1,375,932.10, 2,064,092.55 and 429,204.10

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Solution

The fourth proportional to 1,375,932.10, 2,064,092.55 and 429,204.10 is: 643,866.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,932.10 : 2,064,092.55 = 429,204.10 : x
  2. Step 2: Convert to fraction form
    1,375,932.10/2,064,092.55 = 429,204.10/x
  3. Step 3: Cross multiply
    1,375,932.10x = 2,064,092.55 × 429,204.10
  4. Step 4: Simplify right side
    1,375,932.10x = 885,916,985,239.46
  5. Step 5: Solve for x
    x = 885,916,985,239.46/1,375,932.10
  6. Step 6: Final answer
    x = 643,866.79

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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.