Home / 1,179,433.50-1,627,618.95-642,889.50

Finding the Fourth Proportional to 1,179,433.50, 1,627,618.95 and 642,889.50

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Solution

The fourth proportional to 1,179,433.50, 1,627,618.95 and 642,889.50 is: 887,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,433.50 : 1,627,618.95 = 642,889.50 : x
  2. Step 2: Convert to fraction form
    1,179,433.50/1,627,618.95 = 642,889.50/x
  3. Step 3: Cross multiply
    1,179,433.50x = 1,627,618.95 × 642,889.50
  4. Step 4: Simplify right side
    1,179,433.50x = 1,046,379,132,956.03
  5. Step 5: Solve for x
    x = 1,046,379,132,956.03/1,179,433.50
  6. Step 6: Final answer
    x = 887,187.90

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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.