Home / 1,182,988.60-1,775,795.10-734,216.20

Finding the Fourth Proportional to 1,182,988.60, 1,775,795.10 and 734,216.20

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Solution

The fourth proportional to 1,182,988.60, 1,775,795.10 and 734,216.20 is: 1,102,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,988.60 : 1,775,795.10 = 734,216.20 : x
  2. Step 2: Convert to fraction form
    1,182,988.60/1,775,795.10 = 734,216.20/x
  3. Step 3: Cross multiply
    1,182,988.60x = 1,775,795.10 × 734,216.20
  4. Step 4: Simplify right side
    1,182,988.60x = 1,303,817,530,300.62
  5. Step 5: Solve for x
    x = 1,303,817,530,300.62/1,182,988.60
  6. Step 6: Final answer
    x = 1,102,138.71

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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.