Home / 1,330,405.80-1,995,171.30-488,848.20

Finding the Fourth Proportional to 1,330,405.80, 1,995,171.30 and 488,848.20

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Solution

The fourth proportional to 1,330,405.80, 1,995,171.30 and 488,848.20 is: 733,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,405.80 : 1,995,171.30 = 488,848.20 : x
  2. Step 2: Convert to fraction form
    1,330,405.80/1,995,171.30 = 488,848.20/x
  3. Step 3: Cross multiply
    1,330,405.80x = 1,995,171.30 × 488,848.20
  4. Step 4: Simplify right side
    1,330,405.80x = 975,335,898,696.66
  5. Step 5: Solve for x
    x = 975,335,898,696.66/1,330,405.80
  6. Step 6: Final answer
    x = 733,111.58

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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.