Home / 1,450,819.98-2,177,911.32-778,215.02

Finding the Fourth Proportional to 1,450,819.98, 2,177,911.32 and 778,215.02

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Solution

The fourth proportional to 1,450,819.98, 2,177,911.32 and 778,215.02 is: 1,168,224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,819.98 : 2,177,911.32 = 778,215.02 : x
  2. Step 2: Convert to fraction form
    1,450,819.98/2,177,911.32 = 778,215.02/x
  3. Step 3: Cross multiply
    1,450,819.98x = 2,177,911.32 × 778,215.02
  4. Step 4: Simplify right side
    1,450,819.98x = 1,694,883,290,562.47
  5. Step 5: Solve for x
    x = 1,694,883,290,562.47/1,450,819.98
  6. Step 6: Final answer
    x = 1,168,224.39

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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.