Home / 1,022,765.45-1,533,902.13-312,799.64

Finding the Fourth Proportional to 1,022,765.45, 1,533,902.13 and 312,799.64

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Solution

The fourth proportional to 1,022,765.45, 1,533,902.13 and 312,799.64 is: 469,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,765.45 : 1,533,902.13 = 312,799.64 : x
  2. Step 2: Convert to fraction form
    1,022,765.45/1,533,902.13 = 312,799.64/x
  3. Step 3: Cross multiply
    1,022,765.45x = 1,533,902.13 × 312,799.64
  4. Step 4: Simplify right side
    1,022,765.45x = 479,804,026,389.72
  5. Step 5: Solve for x
    x = 479,804,026,389.72/1,022,765.45
  6. Step 6: Final answer
    x = 469,124.21

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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.