Home / 1,488,359.31-2,231,228.25-590,431.65

Finding the Fourth Proportional to 1,488,359.31, 2,231,228.25 and 590,431.65

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Solution

The fourth proportional to 1,488,359.31, 2,231,228.25 and 590,431.65 is: 885,127.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,359.31 : 2,231,228.25 = 590,431.65 : x
  2. Step 2: Convert to fraction form
    1,488,359.31/2,231,228.25 = 590,431.65/x
  3. Step 3: Cross multiply
    1,488,359.31x = 2,231,228.25 × 590,431.65
  4. Step 4: Simplify right side
    1,488,359.31x = 1,317,387,777,174.11
  5. Step 5: Solve for x
    x = 1,317,387,777,174.11/1,488,359.31
  6. Step 6: Final answer
    x = 885,127.51

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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.