Home / 1,487,083.04-2,230,620.08-422,126

Finding the Fourth Proportional to 1,487,083.04, 2,230,620.08 and 422,126

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Solution

The fourth proportional to 1,487,083.04, 2,230,620.08 and 422,126 is: 633,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,083.04 : 2,230,620.08 = 422,126 : x
  2. Step 2: Convert to fraction form
    1,487,083.04/2,230,620.08 = 422,126/x
  3. Step 3: Cross multiply
    1,487,083.04x = 2,230,620.08 × 422,126
  4. Step 4: Simplify right side
    1,487,083.04x = 941,602,731,890.08
  5. Step 5: Solve for x
    x = 941,602,731,890.08/1,487,083.04
  6. Step 6: Final answer
    x = 633,187.73

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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.