Home / 1,158,362.20-1,597,592.03-815,333.68

Finding the Fourth Proportional to 1,158,362.20, 1,597,592.03 and 815,333.68

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Solution

The fourth proportional to 1,158,362.20, 1,597,592.03 and 815,333.68 is: 1,124,493.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,362.20 : 1,597,592.03 = 815,333.68 : x
  2. Step 2: Convert to fraction form
    1,158,362.20/1,597,592.03 = 815,333.68/x
  3. Step 3: Cross multiply
    1,158,362.20x = 1,597,592.03 × 815,333.68
  4. Step 4: Simplify right side
    1,158,362.20x = 1,302,570,580,887.92
  5. Step 5: Solve for x
    x = 1,302,570,580,887.92/1,158,362.20
  6. Step 6: Final answer
    x = 1,124,493.34

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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.