Home / 1,433,180.58-1,977,563.35-821,215.66

Finding the Fourth Proportional to 1,433,180.58, 1,977,563.35 and 821,215.66

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Solution

The fourth proportional to 1,433,180.58, 1,977,563.35 and 821,215.66 is: 1,133,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,180.58 : 1,977,563.35 = 821,215.66 : x
  2. Step 2: Convert to fraction form
    1,433,180.58/1,977,563.35 = 821,215.66/x
  3. Step 3: Cross multiply
    1,433,180.58x = 1,977,563.35 × 821,215.66
  4. Step 4: Simplify right side
    1,433,180.58x = 1,624,005,987,555.98
  5. Step 5: Solve for x
    x = 1,624,005,987,555.98/1,433,180.58
  6. Step 6: Final answer
    x = 1,133,148.20

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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.