Home / 1,127,558.45-1,691,586.45-328,902.50

Finding the Fourth Proportional to 1,127,558.45, 1,691,586.45 and 328,902.50

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Solution

The fourth proportional to 1,127,558.45, 1,691,586.45 and 328,902.50 is: 493,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,558.45 : 1,691,586.45 = 328,902.50 : x
  2. Step 2: Convert to fraction form
    1,127,558.45/1,691,586.45 = 328,902.50/x
  3. Step 3: Cross multiply
    1,127,558.45x = 1,691,586.45 × 328,902.50
  4. Step 4: Simplify right side
    1,127,558.45x = 556,367,003,913.19
  5. Step 5: Solve for x
    x = 556,367,003,913.19/1,127,558.45
  6. Step 6: Final answer
    x = 493,426.31

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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.