Home / 1,239,849.70-1,711,049.42-688,567.93

Finding the Fourth Proportional to 1,239,849.70, 1,711,049.42 and 688,567.93

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Solution

The fourth proportional to 1,239,849.70, 1,711,049.42 and 688,567.93 is: 950,255.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,849.70 : 1,711,049.42 = 688,567.93 : x
  2. Step 2: Convert to fraction form
    1,239,849.70/1,711,049.42 = 688,567.93/x
  3. Step 3: Cross multiply
    1,239,849.70x = 1,711,049.42 × 688,567.93
  4. Step 4: Simplify right side
    1,239,849.70x = 1,178,173,757,257.10
  5. Step 5: Solve for x
    x = 1,178,173,757,257.10/1,239,849.70
  6. Step 6: Final answer
    x = 950,255.31

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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.