Home / 1,158,583.70-1,598,940.25-642,499.48

Finding the Fourth Proportional to 1,158,583.70, 1,598,940.25 and 642,499.48

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Solution

The fourth proportional to 1,158,583.70, 1,598,940.25 and 642,499.48 is: 886,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,583.70 : 1,598,940.25 = 642,499.48 : x
  2. Step 2: Convert to fraction form
    1,158,583.70/1,598,940.25 = 642,499.48/x
  3. Step 3: Cross multiply
    1,158,583.70x = 1,598,940.25 × 642,499.48
  4. Step 4: Simplify right side
    1,158,583.70x = 1,027,318,274,188.52
  5. Step 5: Solve for x
    x = 1,027,318,274,188.52/1,158,583.70
  6. Step 6: Final answer
    x = 886,701.82

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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.