Home / 1,330,556.80-1,995,397.80-488,999.20

Finding the Fourth Proportional to 1,330,556.80, 1,995,397.80 and 488,999.20

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Solution

The fourth proportional to 1,330,556.80, 1,995,397.80 and 488,999.20 is: 733,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,556.80 : 1,995,397.80 = 488,999.20 : x
  2. Step 2: Convert to fraction form
    1,330,556.80/1,995,397.80 = 488,999.20/x
  3. Step 3: Cross multiply
    1,330,556.80x = 1,995,397.80 × 488,999.20
  4. Step 4: Simplify right side
    1,330,556.80x = 975,747,927,881.76
  5. Step 5: Solve for x
    x = 975,747,927,881.76/1,330,556.80
  6. Step 6: Final answer
    x = 733,338.05

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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.