Home / 1,408,940.64-2,114,240.40-523,098.72

Finding the Fourth Proportional to 1,408,940.64, 2,114,240.40 and 523,098.72

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Solution

The fourth proportional to 1,408,940.64, 2,114,240.40 and 523,098.72 is: 784,956.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,940.64 : 2,114,240.40 = 523,098.72 : x
  2. Step 2: Convert to fraction form
    1,408,940.64/2,114,240.40 = 523,098.72/x
  3. Step 3: Cross multiply
    1,408,940.64x = 2,114,240.40 × 523,098.72
  4. Step 4: Simplify right side
    1,408,940.64x = 1,105,956,447,012.29
  5. Step 5: Solve for x
    x = 1,105,956,447,012.29/1,408,940.64
  6. Step 6: Final answer
    x = 784,956.03

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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.