Home / 1,330,291.20-1,995,436.80-488,733.60

Finding the Fourth Proportional to 1,330,291.20, 1,995,436.80 and 488,733.60

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Solution

The fourth proportional to 1,330,291.20, 1,995,436.80 and 488,733.60 is: 733,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,291.20 : 1,995,436.80 = 488,733.60 : x
  2. Step 2: Convert to fraction form
    1,330,291.20/1,995,436.80 = 488,733.60/x
  3. Step 3: Cross multiply
    1,330,291.20x = 1,995,436.80 × 488,733.60
  4. Step 4: Simplify right side
    1,330,291.20x = 975,237,010,836.48
  5. Step 5: Solve for x
    x = 975,237,010,836.48/1,330,291.20
  6. Step 6: Final answer
    x = 733,100.40

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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.