Home / 1,531,459.72-2,113,414.50-852,381.64

Finding the Fourth Proportional to 1,531,459.72, 2,113,414.50 and 852,381.64

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Solution

The fourth proportional to 1,531,459.72, 2,113,414.50 and 852,381.64 is: 1,176,286.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,459.72 : 2,113,414.50 = 852,381.64 : x
  2. Step 2: Convert to fraction form
    1,531,459.72/2,113,414.50 = 852,381.64/x
  3. Step 3: Cross multiply
    1,531,459.72x = 2,113,414.50 × 852,381.64
  4. Step 4: Simplify right side
    1,531,459.72x = 1,801,435,717,509.78
  5. Step 5: Solve for x
    x = 1,801,435,717,509.78/1,531,459.72
  6. Step 6: Final answer
    x = 1,176,286.71

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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.