Home / 745,409.20-1,118,113.80-184,443.70

Finding the Fourth Proportional to 745,409.20, 1,118,113.80 and 184,443.70

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Solution

The fourth proportional to 745,409.20, 1,118,113.80 and 184,443.70 is: 276,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,409.20 : 1,118,113.80 = 184,443.70 : x
  2. Step 2: Convert to fraction form
    745,409.20/1,118,113.80 = 184,443.70/x
  3. Step 3: Cross multiply
    745,409.20x = 1,118,113.80 × 184,443.70
  4. Step 4: Simplify right side
    745,409.20x = 206,229,046,293.06
  5. Step 5: Solve for x
    x = 206,229,046,293.06/745,409.20
  6. Step 6: Final answer
    x = 276,665.55

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Similar ratio
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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.