Home / 1,907,491.84-2,860,793.88-709,978.12

Finding the Fourth Proportional to 1,907,491.84, 2,860,793.88 and 709,978.12

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Solution

The fourth proportional to 1,907,491.84, 2,860,793.88 and 709,978.12 is: 1,064,801.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,491.84 : 2,860,793.88 = 709,978.12 : x
  2. Step 2: Convert to fraction form
    1,907,491.84/2,860,793.88 = 709,978.12/x
  3. Step 3: Cross multiply
    1,907,491.84x = 2,860,793.88 × 709,978.12
  4. Step 4: Simplify right side
    1,907,491.84x = 2,031,101,060,629.91
  5. Step 5: Solve for x
    x = 2,031,101,060,629.91/1,907,491.84
  6. Step 6: Final answer
    x = 1,064,801.97

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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.