Home / 859,665.70-1,289,498.55-741,567.70

Finding the Fourth Proportional to 859,665.70, 1,289,498.55 and 741,567.70

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Solution

The fourth proportional to 859,665.70, 1,289,498.55 and 741,567.70 is: 1,112,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,665.70 : 1,289,498.55 = 741,567.70 : x
  2. Step 2: Convert to fraction form
    859,665.70/1,289,498.55 = 741,567.70/x
  3. Step 3: Cross multiply
    859,665.70x = 1,289,498.55 × 741,567.70
  4. Step 4: Simplify right side
    859,665.70x = 956,250,473,876.84
  5. Step 5: Solve for x
    x = 956,250,473,876.84/859,665.70
  6. Step 6: Final answer
    x = 1,112,351.55

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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.