Home / 1,113,099.84-1,667,423.88-513,239.76

Finding the Fourth Proportional to 1,113,099.84, 1,667,423.88 and 513,239.76

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Solution

The fourth proportional to 1,113,099.84, 1,667,423.88 and 513,239.76 is: 768,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,099.84 : 1,667,423.88 = 513,239.76 : x
  2. Step 2: Convert to fraction form
    1,113,099.84/1,667,423.88 = 513,239.76/x
  3. Step 3: Cross multiply
    1,113,099.84x = 1,667,423.88 × 513,239.76
  4. Step 4: Simplify right side
    1,113,099.84x = 855,788,231,989.47
  5. Step 5: Solve for x
    x = 855,788,231,989.47/1,113,099.84
  6. Step 6: Final answer
    x = 768,833.31

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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.