Home / 1,452,097.56-2,178,143.37-691,632.55

Finding the Fourth Proportional to 1,452,097.56, 2,178,143.37 and 691,632.55

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Solution

The fourth proportional to 1,452,097.56, 2,178,143.37 and 691,632.55 is: 1,037,447.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,097.56 : 2,178,143.37 = 691,632.55 : x
  2. Step 2: Convert to fraction form
    1,452,097.56/2,178,143.37 = 691,632.55/x
  3. Step 3: Cross multiply
    1,452,097.56x = 2,178,143.37 × 691,632.55
  4. Step 4: Simplify right side
    1,452,097.56x = 1,506,474,853,258.69
  5. Step 5: Solve for x
    x = 1,506,474,853,258.69/1,452,097.56
  6. Step 6: Final answer
    x = 1,037,447.41

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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.