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Finding the Fourth Proportional to 1,739,239.70, 2,608,859.55 and 888,934.10

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Solution

The fourth proportional to 1,739,239.70, 2,608,859.55 and 888,934.10 is: 1,333,401.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,239.70 : 2,608,859.55 = 888,934.10 : x
  2. Step 2: Convert to fraction form
    1,739,239.70/2,608,859.55 = 888,934.10/x
  3. Step 3: Cross multiply
    1,739,239.70x = 2,608,859.55 × 888,934.10
  4. Step 4: Simplify right side
    1,739,239.70x = 2,319,104,216,105.65
  5. Step 5: Solve for x
    x = 2,319,104,216,105.65/1,739,239.70
  6. Step 6: Final answer
    x = 1,333,401.15

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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.