Home / 1,553,289.44-2,328,850.89-688,253.88

Finding the Fourth Proportional to 1,553,289.44, 2,328,850.89 and 688,253.88

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Solution

The fourth proportional to 1,553,289.44, 2,328,850.89 and 688,253.88 is: 1,031,900.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,289.44 : 2,328,850.89 = 688,253.88 : x
  2. Step 2: Convert to fraction form
    1,553,289.44/2,328,850.89 = 688,253.88/x
  3. Step 3: Cross multiply
    1,553,289.44x = 2,328,850.89 × 688,253.88
  4. Step 4: Simplify right side
    1,553,289.44x = 1,602,840,660,983.95
  5. Step 5: Solve for x
    x = 1,602,840,660,983.95/1,553,289.44
  6. Step 6: Final answer
    x = 1,031,900.83

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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.