Home / 1,443,881.89-1,992,580.51-790,496.88

Finding the Fourth Proportional to 1,443,881.89, 1,992,580.51 and 790,496.88

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Solution

The fourth proportional to 1,443,881.89, 1,992,580.51 and 790,496.88 is: 1,090,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,881.89 : 1,992,580.51 = 790,496.88 : x
  2. Step 2: Convert to fraction form
    1,443,881.89/1,992,580.51 = 790,496.88/x
  3. Step 3: Cross multiply
    1,443,881.89x = 1,992,580.51 × 790,496.88
  4. Step 4: Simplify right side
    1,443,881.89x = 1,575,128,672,351.32
  5. Step 5: Solve for x
    x = 1,575,128,672,351.32/1,443,881.89
  6. Step 6: Final answer
    x = 1,090,898.56

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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.