Home / 1,907,489.61-2,860,790.52-709,975.89

Finding the Fourth Proportional to 1,907,489.61, 2,860,790.52 and 709,975.89

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Solution

The fourth proportional to 1,907,489.61, 2,860,790.52 and 709,975.89 is: 1,064,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,489.61 : 2,860,790.52 = 709,975.89 : x
  2. Step 2: Convert to fraction form
    1,907,489.61/2,860,790.52 = 709,975.89/x
  3. Step 3: Cross multiply
    1,907,489.61x = 2,860,790.52 × 709,975.89
  4. Step 4: Simplify right side
    1,907,489.61x = 2,031,092,295,540.56
  5. Step 5: Solve for x
    x = 2,031,092,295,540.56/1,907,489.61
  6. Step 6: Final answer
    x = 1,064,798.62

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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.