Home / 1,443,881.51-1,992,579.99-790,496.51

Finding the Fourth Proportional to 1,443,881.51, 1,992,579.99 and 790,496.51

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Solution

The fourth proportional to 1,443,881.51, 1,992,579.99 and 790,496.51 is: 1,090,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,881.51 : 1,992,579.99 = 790,496.51 : x
  2. Step 2: Convert to fraction form
    1,443,881.51/1,992,579.99 = 790,496.51/x
  3. Step 3: Cross multiply
    1,443,881.51x = 1,992,579.99 × 790,496.51
  4. Step 4: Simplify right side
    1,443,881.51x = 1,575,127,517,554.30
  5. Step 5: Solve for x
    x = 1,575,127,517,554.30/1,443,881.51
  6. Step 6: Final answer
    x = 1,090,898.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.