Home / 1,440,119.48-1,987,371.90-786,754.58

Finding the Fourth Proportional to 1,440,119.48, 1,987,371.90 and 786,754.58

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Solution

The fourth proportional to 1,440,119.48, 1,987,371.90 and 786,754.58 is: 1,085,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,119.48 : 1,987,371.90 = 786,754.58 : x
  2. Step 2: Convert to fraction form
    1,440,119.48/1,987,371.90 = 786,754.58/x
  3. Step 3: Cross multiply
    1,440,119.48x = 1,987,371.90 × 786,754.58
  4. Step 4: Simplify right side
    1,440,119.48x = 1,563,573,944,488.30
  5. Step 5: Solve for x
    x = 1,563,573,944,488.30/1,440,119.48
  6. Step 6: Final answer
    x = 1,085,725.15

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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.