Home / 1,266,593.88-1,900,087.68-425,342.46

Finding the Fourth Proportional to 1,266,593.88, 1,900,087.68 and 425,342.46

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Solution

The fourth proportional to 1,266,593.88, 1,900,087.68 and 425,342.46 is: 638,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,593.88 : 1,900,087.68 = 425,342.46 : x
  2. Step 2: Convert to fraction form
    1,266,593.88/1,900,087.68 = 425,342.46/x
  3. Step 3: Cross multiply
    1,266,593.88x = 1,900,087.68 × 425,342.46
  4. Step 4: Simplify right side
    1,266,593.88x = 808,187,968,026.89
  5. Step 5: Solve for x
    x = 808,187,968,026.89/1,266,593.88
  6. Step 6: Final answer
    x = 638,079.80

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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.