Home / 1,445,648.16-1,994,340.24-872,505.12

Finding the Fourth Proportional to 1,445,648.16, 1,994,340.24 and 872,505.12

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Solution

The fourth proportional to 1,445,648.16, 1,994,340.24 and 872,505.12 is: 1,203,662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,648.16 : 1,994,340.24 = 872,505.12 : x
  2. Step 2: Convert to fraction form
    1,445,648.16/1,994,340.24 = 872,505.12/x
  3. Step 3: Cross multiply
    1,445,648.16x = 1,994,340.24 × 872,505.12
  4. Step 4: Simplify right side
    1,445,648.16x = 1,740,072,070,422.03
  5. Step 5: Solve for x
    x = 1,740,072,070,422.03/1,445,648.16
  6. Step 6: Final answer
    x = 1,203,662.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.