Home / 1,330,211.80-1,995,612.54-383,508.64

Finding the Fourth Proportional to 1,330,211.80, 1,995,612.54 and 383,508.64

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Solution

The fourth proportional to 1,330,211.80, 1,995,612.54 and 383,508.64 is: 575,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,211.80 : 1,995,612.54 = 383,508.64 : x
  2. Step 2: Convert to fraction form
    1,330,211.80/1,995,612.54 = 383,508.64/x
  3. Step 3: Cross multiply
    1,330,211.80x = 1,995,612.54 × 383,508.64
  4. Step 4: Simplify right side
    1,330,211.80x = 765,334,651,182.35
  5. Step 5: Solve for x
    x = 765,334,651,182.35/1,330,211.80
  6. Step 6: Final answer
    x = 575,347.96

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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.