Home / 1,785,913.37-2,679,239.12-587,907.57

Finding the Fourth Proportional to 1,785,913.37, 2,679,239.12 and 587,907.57

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Solution

The fourth proportional to 1,785,913.37, 2,679,239.12 and 587,907.57 is: 881,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,913.37 : 2,679,239.12 = 587,907.57 : x
  2. Step 2: Convert to fraction form
    1,785,913.37/2,679,239.12 = 587,907.57/x
  3. Step 3: Cross multiply
    1,785,913.37x = 2,679,239.12 × 587,907.57
  4. Step 4: Simplify right side
    1,785,913.37x = 1,575,144,960,488.14
  5. Step 5: Solve for x
    x = 1,575,144,960,488.14/1,785,913.37
  6. Step 6: Final answer
    x = 881,982.85

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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.