Home / 1,077,819.48-1,487,401.38-618,928.56

Finding the Fourth Proportional to 1,077,819.48, 1,487,401.38 and 618,928.56

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Solution

The fourth proportional to 1,077,819.48, 1,487,401.38 and 618,928.56 is: 854,127.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,819.48 : 1,487,401.38 = 618,928.56 : x
  2. Step 2: Convert to fraction form
    1,077,819.48/1,487,401.38 = 618,928.56/x
  3. Step 3: Cross multiply
    1,077,819.48x = 1,487,401.38 × 618,928.56
  4. Step 4: Simplify right side
    1,077,819.48x = 920,595,194,265.41
  5. Step 5: Solve for x
    x = 920,595,194,265.41/1,077,819.48
  6. Step 6: Final answer
    x = 854,127.44

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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.