Home / 1,303,467.20-1,955,200.80-855,569.60

Finding the Fourth Proportional to 1,303,467.20, 1,955,200.80 and 855,569.60

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Solution

The fourth proportional to 1,303,467.20, 1,955,200.80 and 855,569.60 is: 1,283,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,467.20 : 1,955,200.80 = 855,569.60 : x
  2. Step 2: Convert to fraction form
    1,303,467.20/1,955,200.80 = 855,569.60/x
  3. Step 3: Cross multiply
    1,303,467.20x = 1,955,200.80 × 855,569.60
  4. Step 4: Simplify right side
    1,303,467.20x = 1,672,810,366,375.68
  5. Step 5: Solve for x
    x = 1,672,810,366,375.68/1,303,467.20
  6. Step 6: Final answer
    x = 1,283,354.40

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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.