Home / 1,445,362.43-1,994,171.96-872,167.55

Finding the Fourth Proportional to 1,445,362.43, 1,994,171.96 and 872,167.55

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Solution

The fourth proportional to 1,445,362.43, 1,994,171.96 and 872,167.55 is: 1,203,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,362.43 : 1,994,171.96 = 872,167.55 : x
  2. Step 2: Convert to fraction form
    1,445,362.43/1,994,171.96 = 872,167.55/x
  3. Step 3: Cross multiply
    1,445,362.43x = 1,994,171.96 × 872,167.55
  4. Step 4: Simplify right side
    1,445,362.43x = 1,739,252,068,271.06
  5. Step 5: Solve for x
    x = 1,739,252,068,271.06/1,445,362.43
  6. Step 6: Final answer
    x = 1,203,332.83

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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.