Home / 1,608,621.38-2,412,930.11-410,543.81

Finding the Fourth Proportional to 1,608,621.38, 2,412,930.11 and 410,543.81

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Solution

The fourth proportional to 1,608,621.38, 2,412,930.11 and 410,543.81 is: 615,815.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,621.38 : 2,412,930.11 = 410,543.81 : x
  2. Step 2: Convert to fraction form
    1,608,621.38/2,412,930.11 = 410,543.81/x
  3. Step 3: Cross multiply
    1,608,621.38x = 2,412,930.11 × 410,543.81
  4. Step 4: Simplify right side
    1,608,621.38x = 990,613,506,505.75
  5. Step 5: Solve for x
    x = 990,613,506,505.75/1,608,621.38
  6. Step 6: Final answer
    x = 615,815.21

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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.